{"id":515556,"date":"2025-12-24T09:19:51","date_gmt":"2025-12-24T02:19:51","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=515556"},"modified":"2025-12-24T09:19:51","modified_gmt":"2025-12-24T02:19:51","slug":"kich-thuoc-post-facebook","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/kich-thuoc-post-facebook\/","title":{"rendered":"K\u00edch th\u01b0\u1edbc post Facebook chu\u1ea9n m\u1edbi nh\u1ea5t \u2013 \u0110\u0103ng \u1ea3nh \u0111\u1eb9p, kh\u00f4ng b\u1ecb c\u1eaft"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh vi\u1ec7c h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb c\u00f3 \u0111\u1eb9p, r\u00f5 n\u00e9t v\u00e0 thu h\u00fat t\u01b0\u01a1ng t\u00e1c hay kh\u00f4ng. Vi\u1ec7c s\u1eed d\u1ee5ng sai k\u00edch th\u01b0\u1edbc ho\u1eb7c t\u1ef7 l\u1ec7 \u1ea3nh d\u1ec5 khi\u1ebfn b\u00e0i \u0111\u0103ng b\u1ecb c\u1eaft, m\u1edd ho\u1eb7c gi\u1ea3m hi\u1ec7u qu\u1ea3 ti\u1ebfp c\u1eadn. Trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c k\u00edch th\u01b0\u1edbc \u1ea3nh post Facebook chu\u1ea9n m\u1edbi nh\u1ea5t, gi\u00fap t\u1ed1i \u01b0u hi\u1ec3n th\u1ecb cho b\u00e0i vi\u1ebft, story, album, link v\u00e0 qu\u1ea3ng c\u00e1o.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ec sao c\u1ea7n ch\u1ecdn k\u00edch th\u01b0\u1edbc post Facebook chu\u1ea9n?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong m\u00f4i tr\u01b0\u1eddng Facebook c\u1ea1nh tranh cao, h\u00ecnh \u1ea3nh \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c thu h\u00fat \u00e1nh nh\u00ecn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean, \u0111\u1ec3 n\u1ed9i dung h\u00ecnh \u1ea3nh ph\u00e1t huy t\u1ed1i \u0111a hi\u1ec7u qu\u1ea3, vi\u1ec7c s\u1eed d\u1ee5ng k\u00edch th\u01b0\u1edbc chu\u1ea9n l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 b\u1ecf qua. Sau \u0111\u00e2y l\u00e0 nh\u1eefng l\u00fd do gi\u1ea3i th\u00edch v\u00ec sao b\u1ea1n c\u1ea7n ch\u1ecdn k\u00edch th\u01b0\u1edbc \u0111\u0103ng Facebook chu\u1ea9n:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf t\u1ed1i \u0111a t\u00ecnh tr\u1ea1ng \u1ea3nh b\u1ecb c\u1eaft m\u1ea5t chi ti\u1ebft ho\u1eb7c bi\u1ebfn d\u1ea1ng khi hi\u1ec3n th\u1ecb.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Gi\u1eef \u0111\u1ed9 s\u1eafc n\u00e9t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh \u1ed5n \u0111\u1ecbnh tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Th\u1ec3 hi\u1ec7n s\u1ef1 chuy\u00ean nghi\u1ec7p, t\u1ea1o \u1ea5n t\u01b0\u1ee3ng t\u1ed1t v\u1edbi ng\u01b0\u1eddi xem.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Truy\u1ec1n t\u1ea3i th\u00f4ng \u0111i\u1ec7p r\u00f5 r\u00e0ng, \u0111\u00fang tr\u1ecdng t\u00e2m.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 qu\u1ea3ng c\u00e1o v\u00e0 ho\u1ea1t \u0111\u1ed9ng truy\u1ec1n th\u00f4ng tr\u00ean Facebook.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-515572 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-1.jpg\" alt=\"kich-thuoc-post-facebook-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ed5ng h\u1ee3p k\u00edch th\u01b0\u1edbc post Facebook chu\u1ea9n m\u1edbi nh\u1ea5t (c\u1eadp nh\u1eadt 2026)<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c k\u00edch th\u01b0\u1edbc \u1ea3nh \u0111\u0103ng Facebook kh\u00f4ng b\u1ecb v\u1ee1 m\u1edbi nh\u1ea5t n\u0103m 2025, gi\u00fap b\u1ea1n ch\u1ee7 \u0111\u1ed9ng chu\u1ea9n b\u1ecb v\u00e0 t\u1ed1i \u01b0u h\u00ecnh \u1ea3nh cho trang c\u00e1 nh\u00e2n, fanpage, nh\u00f3m, s\u1ef1 ki\u1ec7n c\u0169ng nh\u01b0 c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o tr\u00ean Facebook.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u1ea3nh \u0111\u1ea1i di\u1ec7n (Avatar Facebook)<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ea2nh \u0111\u1ea1i di\u1ec7n Facebook \u0111\u01b0\u1ee3c xem nh\u01b0 g\u01b0\u01a1ng m\u1eb7t th\u01b0\u01a1ng hi\u1ec7u, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi doanh nghi\u1ec7p v\u00e0 ng\u01b0\u1eddi b\u00e1n h\u00e0ng online. M\u1ed9t avatar hi\u1ec7u qu\u1ea3 n\u00ean c\u00f3 thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, b\u1ed1 c\u1ee5c c\u00e2n \u0111\u1ed1i, c\u0103n gi\u1eefa r\u00f5 r\u00e0ng v\u00e0 \u01b0u ti\u00ean \u0111\u1eb7t logo \u1edf trung t\u00e2m \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u: 170 \u00d7 170 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc khuy\u1ebfn ngh\u1ecb: 400 \u00d7 400 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc t\u1ed1i \u0111a: 2048 \u00d7 2048 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 chu\u1ea9n: 1:1 (h\u00ecnh vu\u00f4ng)<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c s\u1eed d\u1ee5ng \u1ea3nh \u0111\u1ea1i di\u1ec7n kh\u00f4ng \u0111\u00fang k\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 khi\u1ebfn h\u00ecnh \u1ea3nh b\u1ecb m\u1edd, v\u1ee1 ho\u1eb7c m\u1ea5t chi ti\u1ebft khi hi\u1ec3n th\u1ecb. Trong tr\u01b0\u1eddng h\u1ee3p \u1ea3nh t\u1ea3i l\u00ean kh\u00f4ng ph\u1ea3i h\u00ecnh vu\u00f4ng, Facebook s\u1ebd t\u1ef1 \u0111\u1ed9ng c\u1eaft \u0111\u1ec3 ph\u00f9 h\u1ee3p \u0111\u1ecbnh d\u1ea1ng, d\u1ec5 l\u00e0m l\u1ec7ch b\u1ed1 c\u1ee5c ban \u0111\u1ea7u. V\u00ec v\u1eady, b\u1ea1n n\u00ean thi\u1ebft k\u1ebf avatar \u0111\u00fang chu\u1ea9n ngay t\u1eeb \u0111\u1ea7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb \u0111\u1ea7y \u0111\u1ee7 v\u00e0 s\u1eafc n\u00e9t.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-515573 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-2.jpg\" alt=\"kich-thuoc-post-facebook-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook v\u1edbi \u1ea3nh b\u00eca\u00a0<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u00eca Facebook \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c truy\u1ec1n t\u1ea3i th\u00f4ng \u0111i\u1ec7p v\u00e0 c\u00e2u chuy\u1ec7n th\u01b0\u01a1ng hi\u1ec7u. N\u1ebfu \u1ea3nh \u0111\u1ea1i di\u1ec7n l\u00e0 \u0111i\u1ec3m nh\u1eadn di\u1ec7n ban \u0111\u1ea7u, th\u00ec \u1ea3nh b\u00eca ch\u00ednh l\u00e0 kh\u00f4ng gian th\u1ec3 hi\u1ec7n r\u00f5 phong c\u00e1ch, gi\u00e1 tr\u1ecb v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng n\u1ed9i dung c\u1ee7a trang.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u (m\u00e1y t\u00ednh): 851 \u00d7 315 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u (\u0111i\u1ec7n tho\u1ea1i): 828 \u00d7 465 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc khuy\u1ebfn ngh\u1ecb (m\u00e1y t\u00ednh): 1702 \u00d7 630 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc khuy\u1ebfn ngh\u1ecb (\u0111i\u1ec7n tho\u1ea1i): 1122 \u00d7 630 pixel<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng k\u00edch th\u01b0\u1edbc \u1ea3nh b\u00eca chu\u1ea9n gi\u00fap n\u1ed9i dung hi\u1ec3n th\u1ecb \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean c\u1ea3 m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng, h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng c\u1eaft m\u1ea5t ch\u1eef ho\u1eb7c chi ti\u1ebft quan tr\u1ecdng. \u0110\u00e2y c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 g\u00f3p ph\u1ea7n n\u00e2ng cao t\u00ednh chuy\u00ean nghi\u1ec7p v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng khi truy c\u1eadp Facebook c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 \u1ea3nh b\u00eca Facebook hi\u1ec3n th\u1ecb \u0111\u1eb9p v\u00e0 \u0111\u1ed3ng nh\u1ea5t tr\u00ean c\u1ea3 m\u00e1y t\u00ednh l\u1eabn \u0111i\u1ec7n tho\u1ea1i, b\u1ea1n c\u1ea7n b\u1ed1 tr\u00ed c\u00e1c n\u1ed9i dung quan tr\u1ecdng nh\u01b0 logo, ti\u00eau \u0111\u1ec1 ho\u1eb7c th\u00f4ng \u0111i\u1ec7p ch\u00ednh n\u1eb1m trong v\u00f9ng hi\u1ec3n th\u1ecb an to\u00e0n tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh t\u00ecnh tr\u1ea1ng b\u1ecb c\u1eaft n\u1ed9i dung, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o t\u00ednh th\u1ed1ng nh\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 truy\u1ec1n t\u1ea3i c\u1ee7a \u1ea3nh b\u00eca.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-515571 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-3.jpg\" alt=\"kich-thuoc-post-facebook-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook v\u1edbi \u1ea3nh trong b\u00e0i \u0111\u0103ng\u00a0<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u1ea3nh trong b\u00e0i \u0111\u0103ng Facebook \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn b\u1ed1 c\u1ee5c hi\u1ec3n th\u1ecb, kh\u1ea3 n\u0103ng thu h\u00fat v\u00e0 hi\u1ec7u qu\u1ea3 truy\u1ec1n t\u1ea3i th\u00f4ng \u0111i\u1ec7p. T\u00f9y theo s\u1ed1 l\u01b0\u1ee3ng \u1ea3nh s\u1eed d\u1ee5ng, b\u1ea1n n\u00ean ch\u1ecdn k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p \u0111\u1ec3 b\u00e0i vi\u1ebft tr\u00f4ng chuy\u00ean nghi\u1ec7p v\u00e0 h\u00e0i h\u00f2a h\u01a1n.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u0103ng 1 \u1ea3nh<\/span><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1edbi b\u00e0i \u0111\u0103ng ch\u1ec9 c\u00f3 m\u1ed9t h\u00ecnh \u1ea3nh, \u1ea3nh vu\u00f4ng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u v\u00ec chi\u1ebfm nhi\u1ec1u di\u1ec7n t\u00edch hi\u1ec3n th\u1ecb v\u00e0 d\u1ec5 thu h\u00fat \u00e1nh nh\u00ecn.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh vu\u00f4ng: 1200 \u00d7 1200 pixel (khuy\u1ebfn ngh\u1ecb)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ngang: 1200 \u00d7 630 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh d\u1ecdc: 1200 \u00d7 1500 pixel<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong \u0111\u00f3, k\u00edch th\u01b0\u1edbc 1200 \u00d7 1200 pixel \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t cho b\u00e0i \u0111\u0103ng Fanpage.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook \u0111\u0103ng 2 \u1ea3nh<\/span><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi \u0111\u0103ng hai \u1ea3nh, y\u1ebfu t\u1ed1 c\u00e2n \u0111\u1ed1i b\u1ed1 c\u1ee5c c\u1ea7n \u0111\u01b0\u1ee3c \u01b0u ti\u00ean \u0111\u1ec3 tr\u00e1nh c\u1ea3m gi\u00e1c r\u1eddi r\u1ea1c ho\u1eb7c l\u1ec7ch khung.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Hai \u1ea3nh ngang: m\u1ed7i \u1ea3nh 1200 \u00d7 600 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Hai \u1ea3nh d\u1ecdc: m\u1ed7i \u1ea3nh 600 \u00d7 1200 pixel<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1ch b\u1ed1 tr\u00ed n\u00e0y ph\u00f9 h\u1ee3p cho c\u00e1c b\u00e0i vi\u1ebft so s\u00e1nh ho\u1eb7c \u0111\u1ed1i chi\u1ebfu n\u1ed9i dung.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u0103ng 3 \u1ea3nh<\/span><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1edbi ba \u1ea3nh, b\u1ea1n n\u00ean ch\u1ecdn m\u1ed9t \u1ea3nh ch\u00ednh l\u00e0m \u0111i\u1ec3m nh\u1ea5n, hai \u1ea3nh c\u00f2n l\u1ea1i \u0111\u00f3ng vai tr\u00f2 b\u1ed5 tr\u1ee3 n\u1ed9i dung.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u1ed1 c\u1ee5c ngang<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">1 \u1ea3nh ch\u00ednh: 1200 \u00d7 600 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">2 \u1ea3nh ph\u1ee5: m\u1ed7i \u1ea3nh 1200 \u00d7 1200 pixel<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u1ed1 c\u1ee5c d\u1ecdc<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">1 \u1ea3nh ch\u00ednh: 600 \u00d7 1200 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">2 \u1ea3nh ph\u1ee5: m\u1ed7i \u1ea3nh 1200 \u00d7 1200 pixel<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ea3 hai b\u1ed1 c\u1ee5c \u0111\u1ec1u gi\u00fap b\u00e0i \u0111\u0103ng linh ho\u1ea1t v\u00e0 d\u1ec5 t\u00f9y ch\u1ec9nh theo n\u1ed9i dung.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515574 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-4.jpg\" alt=\"kich-thuoc-post-facebook-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h4 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook \u0111\u0103ng 4 \u1ea3nh<\/span><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1ed1 c\u1ee5c b\u1ed1n \u1ea3nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n hi\u1ec3n th\u1ecb nhi\u1ec1u th\u00f4ng tin ho\u1eb7c t\u1ea1o s\u1ef1 t\u00f2 m\u00f2 cho ng\u01b0\u1eddi xem.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">4 \u1ea3nh vu\u00f4ng: m\u1ed7i \u1ea3nh 1200 \u00d7 1200 pixel (t\u1ef7 l\u1ec7 1:1)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">1 \u1ea3nh ngang 1200 \u00d7 800 pixel + 3 \u1ea3nh vu\u00f4ng 1200&#215;1200 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">1 \u1ea3nh d\u1ecdc 800 \u00d7 1200 pixel + 3 \u1ea3nh vu\u00f4ng 1200&#215;1200 pixel<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang k\u00edch th\u01b0\u1edbc v\u00e0 b\u1ed1 c\u1ee5c \u1ea3nh s\u1ebd gi\u00fap b\u00e0i \u0111\u0103ng Facebook hi\u1ec3n th\u1ecb \u0111\u1eb9p, t\u0103ng t\u01b0\u01a1ng t\u00e1c v\u00e0 ti\u1ebfp c\u1eadn \u0111\u00fang \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook v\u1edbi \u1ea3nh b\u00eca Group Facebook<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u00eca nh\u00f3m Facebook l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap \u0111\u1ecbnh h\u00ecnh b\u1ed1 c\u1ee5c, nh\u1eadn di\u1ec7n v\u00e0 phong c\u00e1ch c\u1ee7a nh\u00f3m. Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc chu\u1ea9n s\u1ebd gi\u00fap h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb \u0111\u1eb9p, kh\u00f4ng b\u1ecb c\u1eaft ho\u1eb7c v\u1ee1 khi xem tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u: 820 \u00d7 461 pixel \u2013 \u0111\u1ea3m b\u1ea3o \u1ea3nh kh\u00f4ng b\u1ecb m\u00e9o khi hi\u1ec3n th\u1ecb.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc khuy\u1ebfn ngh\u1ecb: 1640 \u00d7 922 pixel \u2013 cho \u0111\u1ed9 s\u1eafc n\u00e9t v\u00e0 chi ti\u1ebft t\u1ed1t h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 khung h\u00ecnh: 1.78:1 \u2013 ph\u00f9 h\u1ee3p hi\u1ec3n th\u1ecb ngang, d\u1ec5 thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a th\u00e0nh vi\u00ean.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u, b\u1ea1n n\u00ean \u0111\u1eb7t c\u00e1c n\u1ed9i dung quan tr\u1ecdng nh\u01b0 t\u00ean nh\u00f3m ho\u1eb7c th\u00f4ng \u0111i\u1ec7p ch\u00ednh v\u00e0o khu v\u1ef1c trung t\u00e2m \u1ea3nh, tr\u00e1nh s\u00e1t m\u00e9p \u0111\u1ec3 kh\u00f4ng b\u1ecb c\u1eaft khi hi\u1ec3n th\u1ecb tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515575 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-5.jpg\" alt=\"kich-thuoc-post-facebook-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook cho \u1ea3nh b\u00eca s\u1ef1 ki\u1ec7n\u00a0<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u00eca s\u1ef1 ki\u1ec7n Facebook l\u00e0 y\u1ebfu t\u1ed1 t\u1ea1o \u1ea5n t\u01b0\u1ee3ng \u0111\u1ea7u ti\u00ean v\u00e0 quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 quan t\u00e2m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng khi truy c\u1eadp trang s\u1ef1 ki\u1ec7n. \u0110\u00e2y c\u0169ng l\u00e0 kh\u00f4ng gian quan tr\u1ecdng \u0111\u1ec3 th\u1ec3 hi\u1ec7n ch\u1ee7 \u0111\u1ec1, th\u00f4ng \u0111i\u1ec7p v\u00e0 tinh th\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a s\u1ef1 ki\u1ec7n, gi\u00fap thu h\u00fat \u0111\u00fang \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau ngay t\u1eeb c\u00e1i nh\u00ecn ban \u0111\u1ea7u.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc khuy\u1ebfn ngh\u1ecb: 1200 \u00d7 628 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 khung h\u00ecnh: 2:1<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc chu\u1ea9n gi\u00fap \u1ea3nh b\u00eca hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t, c\u00e2n \u0111\u1ed1i tr\u00ean c\u1ea3 m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng. L\u01b0u \u00fd, sau khi \u0111\u00e3 t\u1ea3i \u1ea3nh b\u00eca cho s\u1ef1 ki\u1ec7n, Facebook kh\u00f4ng cho ph\u00e9p ch\u1ec9nh s\u1eeda l\u1ea1i k\u00edch th\u01b0\u1edbc, v\u00ec v\u1eady b\u1ea1n n\u00ean chu\u1ea9n b\u1ecb h\u00ecnh \u1ea3nh \u0111\u00fang chu\u1ea9n ngay t\u1eeb \u0111\u1ea7u \u0111\u1ec3 tr\u00e1nh l\u1ed7i hi\u1ec3n th\u1ecb ho\u1eb7c c\u1eaft m\u1ea5t n\u1ed9i dung quan tr\u1ecdng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515576 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-6.jpg\" alt=\"kich-thuoc-post-facebook-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook v\u1edbi \u1ea3nh \u0111\u0103ng l\u00ean Story\u00a0<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u1ea3nh Story Facebook l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb v\u00e0 t\u01b0\u01a1ng t\u00e1c, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c doanh nghi\u1ec7p s\u1eed d\u1ee5ng Story \u0111\u1ec3 ti\u1ebfp c\u1eadn kh\u00e1ch h\u00e0ng. Story \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb to\u00e0n m\u00e0n h\u00ecnh tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng, t\u01b0\u01a1ng t\u1ef1 Instagram, v\u00ec v\u1eady c\u1ea7n s\u1eed d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc chu\u1ea9n \u0111\u1ec3 h\u00ecnh \u1ea3nh kh\u00f4ng b\u1ecb c\u1eaft ho\u1eb7c v\u1ee1.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i khuy\u1ebfn ngh\u1ecb: 1080&#215;1920 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 khung h\u00ecnh: 9:16<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Th\u1eddi l\u01b0\u1ee3ng t\u1ed1i \u0111a m\u1ed7i Story: 15 gi\u00e2y<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Dung l\u01b0\u1ee3ng file t\u1ed1i \u0111a: 30 MB<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1ecbnh d\u1ea1ng h\u1ed7 tr\u1ee3: JPG, PNG<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc \u1ea3nh Story Facebook gi\u00fap n\u1ed9i dung hi\u1ec3n th\u1ecb tr\u1ecdn v\u1eb9n, s\u1eafc n\u00e9t v\u00e0 truy\u1ec1n t\u1ea3i th\u00f4ng \u0111i\u1ec7p hi\u1ec7u qu\u1ea3 h\u01a1n. Ngo\u00e0i ra, v\u1edbi c\u00e1c phi\u00ean b\u1ea3n Facebook m\u1edbi nh\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 linh ho\u1ea1t t\u00f9y ch\u1ec9nh Story, tuy nhi\u00ean v\u1eabn n\u00ean \u01b0u ti\u00ean k\u00edch th\u01b0\u1edbc chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m hi\u1ec3n th\u1ecb \u1ed5n \u0111\u1ecbnh tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515577 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-7.jpg\" alt=\"kich-thuoc-post-facebook-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook v\u1edbi album \u1ea3nh<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Album \u1ea3nh Facebook cho ph\u00e9p hi\u1ec3n th\u1ecb nhi\u1ec1u h\u00ecnh \u1ea3nh trong c\u00f9ng m\u1ed9t b\u00e0i \u0111\u0103ng, gi\u00fap n\u1ed9i dung sinh \u0111\u1ed9ng v\u00e0 truy\u1ec1n t\u1ea3i th\u00f4ng tin hi\u1ec7u qu\u1ea3 h\u01a1n. \u0110\u1ec3 album hi\u1ec3n th\u1ecb \u0111\u1eb9p, kh\u00f4ng b\u1ecb v\u1ee1 ho\u1eb7c c\u1eaft \u1ea3nh, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc chu\u1ea9n theo t\u1eebng b\u1ed1 c\u1ee5c sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Album \u1ea3nh vu\u00f4ng (4 \u1ea3nh): K\u00edch th\u01b0\u1edbc m\u1ed7i \u1ea3nh: 1200 \u00d7 1200 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Album \u1ea3nh ch\u1eef nh\u1eadt ngang (2 \u1ea3nh): K\u00edch th\u01b0\u1edbc m\u1ed7i \u1ea3nh: 1200 \u00d7 600 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Album \u1ea3nh ch\u1eef nh\u1eadt d\u1ecdc (2 \u1ea3nh): K\u00edch th\u01b0\u1edbc m\u1ed7i \u1ea3nh: 600 \u00d7 1200 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u00eca album ngang (3 \u1ea3nh):<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ch\u00ednh: 1200 \u00d7 600 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ph\u1ee5: 1200 \u00d7 1200 pixel<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u00eca album d\u1ecdc (3 \u1ea3nh):<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ch\u00ednh: 600 \u00d7 1200 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ph\u1ee5: 1200 \u00d7 1200 pixel<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u00eca album ngang (tr\u00ean 3 \u1ea3nh):<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ch\u00ednh: 1200 \u00d7 800 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ph\u1ee5: 1200 \u00d7 1200 pixel<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u00eca album d\u1ecdc (tr\u00ean 3 \u1ea3nh):<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ch\u00ednh: 800 \u00d7 1200 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh ph\u1ee5: 1200 \u00d7 1200 pixel<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang k\u00edch th\u01b0\u1edbc album \u1ea3nh Facebook gi\u00fap h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb c\u00e2n \u0111\u1ed1i, s\u1eafc n\u00e9t, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi xem v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng t\u00e1c cho b\u00e0i \u0111\u0103ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515578 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-8.jpg\" alt=\"kich-thuoc-post-facebook-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook v\u1edbi h\u00ecnh \u1ea3nh chia s\u1ebb link\u00a0<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u1ea3nh khi chia s\u1ebb link tr\u00ean Facebook \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng thu h\u00fat v\u00e0 t\u1ef7 l\u1ec7 t\u01b0\u01a1ng t\u00e1c c\u1ee7a b\u00e0i \u0111\u0103ng, nh\u1ea5t l\u00e0 trong b\u1ed1i c\u1ea3nh Facebook th\u01b0\u1eddng h\u1ea1n ch\u1ebf hi\u1ec3n th\u1ecb n\u1ed9i dung d\u1eabn ra n\u1ec1n t\u1ea3ng b\u00ean ngo\u00e0i. Vi\u1ec7c s\u1eed d\u1ee5ng h\u00ecnh \u1ea3nh \u0111\u00fang chu\u1ea9n gi\u00fap b\u00e0i vi\u1ebft n\u1ed5i b\u1eadt h\u01a1n ngay t\u1eeb l\u1ea7n hi\u1ec3n th\u1ecb \u0111\u1ea7u ti\u00ean.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i khuy\u1ebfn ngh\u1ecb: 1200 \u00d7 630 pixel<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 khung h\u00ecnh: 1.91:1<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00c1p d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc \u1ea3nh chia s\u1ebb link Facebook gi\u00fap h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb \u0111\u1ea7y \u0111\u1ee7, r\u00f5 n\u00e9t tr\u00ean c\u1ea3 m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 ti\u1ebfp c\u1eadn v\u00e0 t\u01b0\u01a1ng t\u00e1c cho b\u00e0i \u0111\u0103ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515580 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-9.jpg\" alt=\"kich-thuoc-post-facebook-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc post Facebook v\u1edbi h\u00ecnh \u1ea3nh d\u00f9ng ch\u1ea1y qu\u1ea3ng c\u00e1o (Facebook Ads)<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u1ea3nh qu\u1ea3ng c\u00e1o Facebook l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb, tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 hi\u1ec7u qu\u1ea3 chi\u1ebfn d\u1ecbch Ads. M\u1ed7i h\u00ecnh th\u1ee9c qu\u1ea3ng c\u00e1o s\u1ebd c\u00f3 k\u00edch th\u01b0\u1edbc \u1ea3nh ti\u00eau chu\u1ea9n ri\u00eang, v\u00ec v\u1eady b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb \u0111\u00fang \u0111\u1ecbnh d\u1ea1ng \u0111\u1ec3 tr\u00e1nh b\u1ecb c\u1eaft, m\u00e9o ho\u1eb7c gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3n th\u1ecb.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Qu\u1ea3ng c\u00e1o d\u1ea1ng Slideshow<\/span><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Qu\u1ea3ng c\u00e1o slideshow th\u01b0\u1eddng hi\u1ec3n th\u1ecb theo t\u1ef7 l\u1ec7 vu\u00f4ng, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u v\u1ecb tr\u00ed tr\u00ean Facebook.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 khung h\u00ecnh: 1:1<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc khuy\u1ebfn ngh\u1ecb: 1080 \u00d7 1080 pixel<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong tr\u01b0\u1eddng h\u1ee3p h\u00ecnh \u1ea3nh kh\u00f4ng \u0111\u00fang t\u1ef7 l\u1ec7, Facebook s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh v\u1ec1 t\u1ef7 l\u1ec7 1:1 ho\u1eb7c 16:9, tuy nhi\u00ean \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ed1 c\u1ee5c ban \u0111\u1ea7u c\u1ee7a qu\u1ea3ng c\u00e1o.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Qu\u1ea3ng c\u00e1o d\u1ea1ng Link<\/span><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 h\u00ecnh th\u1ee9c qu\u1ea3ng c\u00e1o ph\u1ed5 bi\u1ebfn nh\u1eb1m d\u1eabn ng\u01b0\u1eddi d\u00f9ng v\u1ec1 website ho\u1eb7c landing page.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 khung h\u00ecnh: 1.91:1<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u1ea3nh chu\u1ea9n: 1200 \u00d7 628 pixel<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc gi\u00fap h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb \u0111\u1ea7y \u0111\u1ee7, r\u00f5 n\u00e9t v\u00e0 t\u0103ng t\u1ef7 l\u1ec7 nh\u1ea5p (CTR).<\/span><\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-14.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-14-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-14-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515587 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-14.jpg\" alt=\"kich-thuoc-post-facebook-14\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-14.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-14-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-14-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h4 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Qu\u1ea3ng c\u00e1o d\u1ea1ng B\u1ed9 s\u01b0u t\u1eadp (Collection)<\/span><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Qu\u1ea3ng c\u00e1o b\u1ed9 s\u01b0u t\u1eadp th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c chi\u1ebfn d\u1ecbch b\u00e1n h\u00e0ng, gi\u1edbi thi\u1ec7u nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u00f9ng l\u00fac.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 khung h\u00ecnh: 1.91:1<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00edch th\u01b0\u1edbc \u1ea3nh khuy\u1ebfn ngh\u1ecb: 1200 \u00d7 628 pixel<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c \u00e1p d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc \u1ea3nh qu\u1ea3ng c\u00e1o Facebook kh\u00f4ng ch\u1ec9 gi\u00fap t\u1ed1i \u01b0u hi\u1ec3n th\u1ecb tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 c\u1ee7a chi\u1ebfn d\u1ecbch Ads.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ef7 l\u1ec7 k\u00edch th\u01b0\u1edbc post Facebook \u0111\u1eb9p v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 b\u00e0i \u0111\u0103ng Facebook hi\u1ec3n th\u1ecb \u0111\u1eb9p v\u00e0 thu h\u00fat t\u01b0\u01a1ng t\u00e1c, b\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang k\u00edch th\u01b0\u1edbc v\u00e0 t\u1ef7 l\u1ec7 khung h\u00ecnh chu\u1ea9n ngay t\u1eeb \u0111\u1ea7u. Vi\u1ec7c n\u00e0y gi\u00fap h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng \u1ea3nh b\u1ecb c\u1eaft, v\u1ee1 ho\u1eb7c hi\u1ec3n th\u1ecb kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean c\u00e1c thi\u1ebft b\u1ecb. Sau \u0111\u00e2y l\u00e0 2 t\u1ef7 l\u1ec7 k\u00edch th\u01b0\u1edbc \u0111\u0103ng Facebook \u0111\u1eb9p v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u00e0i \u0111\u0103ng chia s\u1ebb link \/ b\u00e0i vi\u1ebft: 1200 \u00d7 630 pixel (t\u1ef7 l\u1ec7 1.91:1)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u00e0i \u0111\u0103ng vu\u00f4ng: 1080 \u00d7 1080 pixel (t\u1ef7 l\u1ec7 1:1)<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515581 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-10.jpg\" alt=\"kich-thuoc-post-facebook-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi \u0111\u0103ng \u1ea3nh Facebook v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi \u0111\u0103ng \u1ea3nh l\u00ean Facebook, nhi\u1ec1u ng\u01b0\u1eddi g\u1eb7p l\u1ed7i hi\u1ec3n th\u1ecb khi\u1ebfn h\u00ecnh \u1ea3nh k\u00e9m s\u1eafc n\u00e9t v\u00e0 gi\u1ea3m hi\u1ec7u qu\u1ea3 ti\u1ebfp c\u1eadn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u1ecb v\u1ee1 ho\u1eb7c m\u1edd: S\u1eed d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i chu\u1ea9n Facebook.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u1ea2nh b\u1ecb c\u1eaft m\u1ea5t n\u1ed9i dung: \u0110\u1eb7t th\u00f4ng tin quan tr\u1ecdng v\u00e0o v\u00f9ng hi\u1ec3n th\u1ecb an to\u00e0n \u1edf trung t\u00e2m \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Sai t\u1ef7 l\u1ec7 khung h\u00ecnh: Thi\u1ebft k\u1ebf \u1ea3nh theo c\u00e1c t\u1ef7 l\u1ec7 Facebook khuy\u1ebfn ngh\u1ecb nh\u01b0 1:1 ho\u1eb7c 1.91:1.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Dung l\u01b0\u1ee3ng \u1ea3nh qu\u00e1 l\u1edbn: N\u00e9n \u1ea3nh tr\u01b0\u1edbc khi \u0111\u0103ng \u0111\u1ec3 tr\u00e1nh b\u1ecb Facebook n\u00e9n m\u1ea1nh.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u00e0u s\u1eafc hi\u1ec3n th\u1ecb sai: Xu\u1ea5t \u1ea3nh \u1edf h\u1ec7 m\u00e0u RGB (sRGB).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1eef tr\u00ean \u1ea3nh qu\u00e1 nh\u1ecf: T\u0103ng k\u00edch th\u01b0\u1edbc ch\u1eef v\u00e0 tr\u00e1nh \u0111\u1eb7t s\u00e1t m\u00e9p \u1ea3nh.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-11.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-11-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-11-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515582 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-11.jpg\" alt=\"kich-thuoc-post-facebook-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1eb9o thi\u1ebft k\u1ebf \u1ea3nh theo k\u00edch th\u01b0\u1edbc post Facebook chu\u1ea9n<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 \u1ea3nh \u0111\u0103ng Facebook lu\u00f4n r\u00f5 n\u00e9t, kh\u00f4ng b\u1ecb v\u1ee1 ho\u1eb7c m\u1ea5t chi ti\u1ebft, b\u1ea1n n\u00ean l\u01b0u \u00fd m\u1ed9t s\u1ed1 kinh nghi\u1ec7m sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng k\u00edch th\u01b0\u1edbc \u1ea3nh chu\u1ea9n: \u01afu ti\u00ean 1200 \u00d7 630 pixel cho b\u00e0i vi\u1ebft v\u00e0 1080 \u00d7 1080 pixel cho \u1ea3nh vu\u00f4ng, \u1ea3nh \u0111\u1ea1i di\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p: D\u00f9ng JPEG cho \u1ea3nh nhi\u1ec1u m\u00e0u s\u1eafc, PNG cho \u1ea3nh c\u1ea7n gi\u1eef \u0111\u1ed9 n\u00e9t ho\u1eb7c n\u1ec1n trong su\u1ed1t.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ph\u00e2n gi\u1ea3i: T\u1ed1i thi\u1ec3u 72 dpi \u0111\u1ec3 \u1ea3nh hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t tr\u00ean m\u00e0n h\u00ecnh.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra tr\u01b0\u1edbc khi \u0111\u0103ng: Xem tr\u01b0\u1edbc \u1ea3nh tr\u00ean c\u1ea3 m\u00e1y t\u00ednh v\u00e0 \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 tr\u00e1nh l\u1ed7i c\u1eaft ho\u1eb7c m\u00e9o \u1ea3nh.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf ch\u1eef tr\u00ean \u1ea3nh: Qu\u00e1 nhi\u1ec1u v\u0103n b\u1ea3n l\u00e0m gi\u1ea3m t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 hi\u1ec7u qu\u1ea3 hi\u1ec3n th\u1ecb.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u \u1ea3nh \u0111\u1ea1i di\u1ec7n v\u00e0 \u1ea3nh b\u00eca: Ch\u1ecdn \u1ea3nh r\u00f5 n\u00e9t, c\u0103n gi\u1eefa n\u1ed9i dung quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh b\u1ecb c\u1eaft khi hi\u1ec3n th\u1ecb.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-13.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-13-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-13-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515588 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-13.jpg\" alt=\"kich-thuoc-post-facebook-13\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-13.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-13-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-13-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 k\u00edch th\u01b0\u1edbc post Facebook<\/span><\/h2>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Facebook c\u00f3 t\u1ef1 n\u00e9n \u1ea3nh khi \u0111\u0103ng kh\u00f4ng?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f3. Facebook lu\u00f4n n\u00e9n \u1ea3nh \u0111\u1ec3 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 t\u1ea3i, v\u00ec v\u1eady n\u00ean d\u00f9ng k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ecbnh d\u1ea1ng chu\u1ea9n \u0111\u1ec3 h\u1ea1n ch\u1ebf gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ea1i sao c\u00f9ng m\u1ed9t \u1ea3nh nh\u01b0ng hi\u1ec3n th\u1ecb kh\u00e1c nhau tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 m\u00e1y t\u00ednh?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Do t\u1ef7 l\u1ec7 hi\u1ec3n th\u1ecb v\u00e0 khung xem tr\u00ean m\u1ed7i thi\u1ebft b\u1ecb kh\u00e1c nhau, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi \u1ea3nh ngang v\u00e0 \u1ea3nh d\u1ecdc.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f3 n\u00ean \u0111\u0103ng \u1ea3nh dung l\u01b0\u1ee3ng l\u1edbn \u0111\u1ec3 \u1ea3nh n\u00e9t h\u01a1n kh\u00f4ng?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kh\u00f4ng n\u00ean. \u1ea2nh qu\u00e1 n\u1eb7ng d\u1ec5 b\u1ecb Facebook n\u00e9n m\u1ea1nh h\u01a1n, l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3n th\u1ecb.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ea2nh \u0111\u0103ng t\u1eeb \u0111i\u1ec7n tho\u1ea1i c\u00f3 kh\u00e1c \u1ea3nh \u0111\u0103ng t\u1eeb m\u00e1y t\u00ednh kh\u00f4ng?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 kh\u00e1c. \u1ea2nh t\u1eeb \u0111i\u1ec7n tho\u1ea1i th\u01b0\u1eddng b\u1ecb n\u00e9n th\u00eam n\u1ebfu kh\u00f4ng ch\u1ec9nh \u0111\u00fang t\u1ef7 l\u1ec7 tr\u01b0\u1edbc khi \u0111\u0103ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-12.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-12-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/kich-thuoc-post-facebook-12-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-515584 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-12.jpg\" alt=\"kich-thuoc-post-facebook-12\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-12.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-12-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/kich-thuoc-post-facebook-12-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c n\u1eafm r\u00f5 v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang k\u00edch th\u01b0\u1edbc post Facebook kh\u00f4ng ch\u1ec9 gi\u00fap h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t, \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n n\u00e2ng cao t\u00ednh chuy\u00ean nghi\u1ec7p v\u00e0 hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng t\u00e1c cho n\u1ed9i dung. D\u00f9 l\u00e0 b\u00e0i \u0111\u0103ng th\u00f4ng th\u01b0\u1eddng hay qu\u1ea3ng c\u00e1o, h\u00e3y lu\u00f4n thi\u1ebft k\u1ebf \u1ea3nh theo k\u00edch th\u01b0\u1edbc chu\u1ea9n \u0111\u1ec3 tr\u00e1nh l\u1ed7i hi\u1ec3n th\u1ecb v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 truy\u1ec1n th\u00f4ng tr\u00ean Facebook.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tham kh\u1ea3o b\u00e0i vi\u1ebft li\u00ean quan:<\/span><\/p>\n<p><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/quy-chuan-moi-tu-facebook\/\">Quy chu\u1ea9n m\u1edbi Facebook s\u1ebd n\u00f3i cho b\u1ea1n ch\u00ednh x\u00e1c l\u00ed do b\u00e0i post b\u1ecb g\u1ee1 xu\u1ed1ng<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/kich-thuoc-banner-facebook\/\">K\u00edch th\u01b0\u1edbc banner Facebook m\u1edbi nh\u1ea5t [2025] \u2013 Chu\u1ea9n \u1ea3nh \u0111\u1eb9p tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u00edch th\u01b0\u1edbc post Facebook l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh vi\u1ec7c h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb c\u00f3 \u0111\u1eb9p, r\u00f5 n\u00e9t v\u00e0 thu h\u00fat t\u01b0\u01a1ng t\u00e1c hay kh\u00f4ng. Vi\u1ec7c s\u1eed d\u1ee5ng sai k\u00edch th\u01b0\u1edbc ho\u1eb7c t\u1ef7 l\u1ec7 \u1ea3nh d\u1ec5 khi\u1ebfn b\u00e0i \u0111\u0103ng b\u1ecb c\u1eaft, m\u1edd ho\u1eb7c gi\u1ea3m hi\u1ec7u qu\u1ea3 ti\u1ebfp c\u1eadn. Trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n [&hellip;]<\/p>\n","protected":false},"author":102,"featured_media":515585,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30445,16],"tags":[],"class_list":["post-515556","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-facebook","category-thu-thuat"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>K\u00edch th\u01b0\u1edbc post Facebook chu\u1ea9n m\u1edbi nh\u1ea5t \u2013 \u0110\u0103ng \u1ea3nh \u0111\u1eb9p<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft s\u1ebd t\u1ed5ng h\u1ee3p k\u00edch th\u01b0\u1edbc post Facebook chu\u1ea9n cho b\u00e0i vi\u1ebft, \u1ea3nh, story, album v\u00e0 qu\u1ea3ng c\u00e1o gi\u00fap \u1ea3nh hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t, t\u0103ng t\u01b0\u01a1ng t\u00e1c.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/kich-thuoc-post-facebook\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"K\u00edch th\u01b0\u1edbc post Facebook chu\u1ea9n m\u1edbi nh\u1ea5t \u2013 \u0110\u0103ng \u1ea3nh \u0111\u1eb9p, kh\u00f4ng b\u1ecb c\u1eaft\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i vi\u1ebft s\u1ebd t\u1ed5ng h\u1ee3p k\u00edch th\u01b0\u1edbc post Facebook chu\u1ea9n cho b\u00e0i vi\u1ebft, \u1ea3nh, story, album v\u00e0 qu\u1ea3ng c\u00e1o gi\u00fap \u1ea3nh hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t, t\u0103ng t\u01b0\u01a1ng t\u00e1c.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/kich-thuoc-post-facebook\/\" \/>\n<meta property=\"og:site_name\" content=\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - 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