{"id":606958,"date":"2026-09-10T12:21:05","date_gmt":"2026-09-10T05:21:05","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=606958"},"modified":"2026-09-10T12:21:05","modified_gmt":"2026-09-10T05:21:05","slug":"webm-to-mp4","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/webm-to-mp4\/","title":{"rendered":"WebM to MP4: 5 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i mi\u1ec5n ph\u00ed, h\u1ea1n ch\u1ebf gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng"},"content":{"rendered":"<p>C\u00e1ch chuy\u1ec3n WebM sang MP4 nhanh v\u00e0 kh\u00f4ng gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng l\u00e0 d\u00f9ng VLC Media Player: m\u1edf VLC, v\u00e0o Media &gt; Convert\/Save, th\u00eam file WebM, ch\u1ecdn h\u1ed3 s\u01a1 Video &#8211; H.264 + MP3 (MP4) r\u1ed3i b\u1ea5m Start. VLC mi\u1ec5n ph\u00ed, ch\u1ea1y tr\u00ean c\u1ea3 Windows l\u1eabn macOS v\u00e0 x\u1eed l\u00fd ngay tr\u00ean m\u00e1y n\u00ean kh\u00f4ng ph\u1ea3i t\u1ea3i file l\u00ean m\u1ea1ng. V\u00ec sao c\u1ea7n chuy\u1ec3n? WebM l\u00e0 \u0111\u1ecbnh d\u1ea1ng video m\u1edf do Google ph\u00e1t tri\u1ec3n, ch\u1ea1y r\u1ea5t t\u1ed1t tr\u00ean tr\u00ecnh duy\u1ec7t nh\u01b0ng nhi\u1ec1u thi\u1ebft b\u1ecb v\u00e0 ph\u1ea7n m\u1ec1m kh\u00f4ng h\u1ed7 tr\u1ee3 \u2014 r\u00f5 nh\u1ea5t l\u00e0 khi b\u1ea1n \u0111\u01b0a file v\u00e0o PowerPoint ho\u1eb7c g\u1eedi cho ng\u01b0\u1eddi d\u00f9ng iPhone.<\/p>\n<h2>WebM l\u00e0 g\u00ec v\u00e0 v\u00ec sao hay g\u1eb7p?<\/h2>\n<p>WebM l\u00e0 \u0111\u1ecbnh d\u1ea1ng video thi\u1ebft k\u1ebf cho web, dung l\u01b0\u1ee3ng nh\u1eb9 \u1edf c\u00f9ng m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng n\u00ean c\u00e1c n\u1ec1n t\u1ea3ng video d\u00f9ng r\u1ea5t nhi\u1ec1u. B\u00ean trong, ph\u1ea7n h\u00ecnh th\u01b0\u1eddng n\u00e9n b\u1eb1ng VP8, VP9 ho\u1eb7c AV1, ph\u1ea7n ti\u1ebfng d\u00f9ng Opus ho\u1eb7c Vorbis. B\u1ea1n hay g\u1eb7p file WebM khi:<\/p>\n<ul>\n<li>T\u1ea3i video t\u1eeb m\u1ed9t trang web b\u1eb1ng ti\u1ec7n \u00edch tr\u00ecnh duy\u1ec7t.<\/li>\n<li>L\u01b0u \u1ea3nh \u0111\u1ed9ng ho\u1eb7c video ng\u1eafn t\u1eeb m\u1ea1ng x\u00e3 h\u1ed9i.<\/li>\n<li>Ghi m\u00e0n h\u00ecnh b\u1eb1ng m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 ch\u1ea1y tr\u00ean tr\u00ecnh duy\u1ec7t.<\/li>\n<\/ul>\n<p>V\u1ea5n \u0111\u1ec1 xu\u1ea5t hi\u1ec7n khi b\u1ea1n mu\u1ed1n d\u00f9ng file \u0111\u00f3 \u1edf n\u01a1i kh\u00e1c: nhi\u1ec1u \u0111\u1ea7u ph\u00e1t, TV, ph\u1ea7n m\u1ec1m d\u1ef1ng phim v\u00e0 \u1ee9ng d\u1ee5ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c WebM, k\u1ec3 c\u1ea3 Safari tr\u00ean macOS v\u00e0 iOS. MP4 ch\u1ee9a h\u00ecnh H.264 v\u00e0 ti\u1ebfng AAC th\u00ec g\u1ea7n nh\u01b0 thi\u1ebft b\u1ecb n\u00e0o c\u0169ng \u0111\u1ecdc.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-608500 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-1.jpg\" alt=\"webm to mp4 chuy\u1ec3n \u0111\u1ecbnh d\u1ea1ng video\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Chuy\u1ec3n WebM sang MP4 c\u00f3 gi\u1eef nguy\u00ean ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng?<\/h2>\n<p>C\u00e2u tr\u1ea3 l\u1eddi trung th\u1ef1c: trong \u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p l\u00e0 <strong>kh\u00f4ng gi\u1eef nguy\u00ean 100%<\/strong>. B\u1ea1n n\u00ean bi\u1ebft hai ki\u1ec3u x\u1eed l\u00fd kh\u00e1c h\u1eb3n nhau:<\/p>\n<ul>\n<li><strong>\u0110\u1ed5i v\u1ecf ch\u1ee9a (remux)<\/strong> \u2014 b\u1ecf nguy\u00ean lu\u1ed3ng h\u00ecnh v\u00e0 ti\u1ebfng s\u1eb5n c\u00f3 sang v\u1ecf MP4, kh\u00f4ng m\u00e3 ho\u00e1 l\u1ea1i n\u00ean kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ch\u1ea1y g\u1ea7n nh\u01b0 t\u1ee9c th\u00ec. Nh\u01b0ng c\u00e1ch n\u00e0y ch\u1ec9 d\u00f9ng \u0111\u01b0\u1ee3c khi file WebM \u0111\u00e3 ch\u1ee9a s\u1eb5n h\u00ecnh H.264, m\u1ed9t tr\u01b0\u1eddng h\u1ee3p hi\u1ebfm. VP8, VP9, Opus v\u00e0 Vorbis kh\u00f4ng ph\u1ea3i lu\u1ed3ng chu\u1ea9n c\u1ee7a v\u1ecf MP4, n\u00ean \u00e9p \u0111\u1ed5i v\u1ecf s\u1ebd b\u00e1o l\u1ed7i ho\u1eb7c ra file m\u00e0 ph\u1ea7n l\u1edbn tr\u00ecnh ph\u00e1t kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>M\u00e3 ho\u00e1 l\u1ea1i (transcode)<\/strong> \u2014 gi\u1ea3i m\u00e3 VP8\/VP9\/AV1 r\u1ed3i n\u00e9n l\u1ea1i th\u00e0nh H.264 ho\u1eb7c H.265, ti\u1ebfng chuy\u1ec3n sang AAC. \u0110\u00e2y l\u00e0 \u0111i\u1ec1u x\u1ea3y ra \u1edf g\u1ea7n nh\u01b0 m\u1ecdi l\u1ea7n chuy\u1ec3n WebM sang MP4, v\u00e0 m\u00e3 ho\u00e1 l\u1ea1i th\u00ec lu\u00f4n m\u1ea5t m\u1ed9t ph\u1ea7n ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<p>Tin t\u1ed1t l\u00e0 m\u1ee9c m\u1ea5t \u0111\u00f3 k\u00e9o xu\u1ed1ng \u0111\u01b0\u1ee3c t\u1edbi ng\u01b0\u1ee1ng m\u1eaft th\u01b0\u1eddng kh\u00f4ng ph\u00e2n bi\u1ec7t n\u1ed5i:<\/p>\n<ul>\n<li>Gi\u1eef nguy\u00ean \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 t\u1ed1c \u0111\u1ed9 khung h\u00ecnh g\u1ed1c thay v\u00ec h\u1ea1 xu\u1ed1ng trong l\u00fac chuy\u1ec3n.<\/li>\n<li>\u0110\u1eb7t ch\u1ec9 s\u1ed1 RF\/CRF th\u1ea5p trong HandBrake ho\u1eb7c FFmpeg: thang 0-51, m\u1eb7c \u0111\u1ecbnh 23; \u0111\u1ec3 18-20 cho b\u1ea3n g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ea5y kh\u00e1c bi\u1ec7t.<\/li>\n<li>Ch\u1ec9 chuy\u1ec3n \u0111\u1ed5i m\u1ed9t l\u1ea7n. M\u1ed7i l\u1ea7n chuy\u1ec3n qua l\u1ea1i gi\u1eefa c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111\u1ec1u l\u00e0m ch\u1ea5t l\u01b0\u1ee3ng gi\u1ea3m th\u00eam.<\/li>\n<li>Gi\u1eef file WebM g\u1ed1c t\u1edbi khi ch\u1eafc ch\u1eafn b\u1ea3n MP4 d\u00f9ng \u0111\u01b0\u1ee3c, \u0111\u1ec3 c\u00f2n chuy\u1ec3n l\u1ea1i n\u1ebfu c\u1ea7n.<\/li>\n<\/ul>\n<p>C\u0169ng n\u00ean bi\u1ebft tr\u01b0\u1edbc: file MP4 \u0111\u1ea7u ra th\u01b0\u1eddng n\u1eb7ng h\u01a1n WebM g\u1ed1c, v\u00ec VP9 v\u00e0 AV1 n\u00e9n hi\u1ec7u qu\u1ea3 h\u01a1n H.264 \u1edf c\u00f9ng m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<h2>5 c\u00e1ch chuy\u1ec3n WebM sang MP4<\/h2>\n<h3>1. VLC Media Player \u2014 mi\u1ec5n ph\u00ed, kh\u00f4ng gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng<\/h3>\n<p>\u0110\u00e2y l\u00e0 c\u00e1ch n\u00ean d\u00f9ng cho file l\u1edbn v\u00e0 file ri\u00eang t\u01b0, v\u00ec m\u1ecdi th\u1ee9 di\u1ec5n ra tr\u00ean m\u00e1y b\u1ea1n.<\/p>\n<ol>\n<li>M\u1edf VLC Media Player. N\u1ebfu ch\u01b0a c\u00f3, t\u1ea3i t\u1eeb trang ch\u1ee7 videolan.org.<\/li>\n<li>V\u00e0o menu Media &gt; Convert\/Save (tr\u00ean macOS l\u00e0 File &gt; Convert\/Stream).<\/li>\n<li>B\u1ea5m Add r\u1ed3i ch\u1ecdn file WebM c\u1ea7n chuy\u1ec3n.<\/li>\n<li>B\u1ea5m Convert\/Save \u1edf ph\u00eda d\u01b0\u1edbi.<\/li>\n<li>\u1ede m\u1ee5c Profile, ch\u1ecdn Video &#8211; H.264 + MP3 (MP4).<\/li>\n<li>B\u1ea5m Browse \u0111\u1ec3 ch\u1ecdn n\u01a1i l\u01b0u v\u00e0 \u0111\u1eb7t t\u00ean file, nh\u1edb \u0111\u1ec3 \u0111u\u00f4i .mp4.<\/li>\n<li>B\u1ea5m Start v\u00e0 ch\u1edd. Thanh ti\u1ebfn tr\u00ecnh c\u1ee7a VLC ch\u1ea1y nh\u01b0 \u0111ang ph\u00e1t video.<\/li>\n<\/ol>\n<p><img decoding=\"async\" class=\"size-full wp-image-608501 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-2.jpg\" alt=\"webm-to-mp4-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>2. HandBrake \u2014 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t<\/h3>\n<p>Ph\u00f9 h\u1ee3p khi b\u1ea1n quan t\u00e2m t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 dung l\u01b0\u1ee3ng file \u0111\u1ea7u ra.<\/p>\n<ol>\n<li>T\u1ea3i HandBrake t\u1eeb handbrake.fr v\u00e0 c\u00e0i \u0111\u1eb7t.<\/li>\n<li>M\u1edf ch\u01b0\u01a1ng tr\u00ecnh, ch\u1ecdn file WebM c\u1ea7n chuy\u1ec3n.<\/li>\n<li>\u1ede m\u1ee5c Format, ch\u1ecdn MP4.<\/li>\n<li>Ch\u1ecdn preset ph\u00f9 h\u1ee3p \u2014 Fast 1080p30 l\u00e0 preset m\u1eb7c \u0111\u1ecbnh v\u00e0 c\u00e2n b\u1eb1ng cho h\u1ea7u h\u1ebft nhu c\u1ea7u.<\/li>\n<li>Sang th\u1ebb Video, ch\u1ec9nh thanh Constant Quality (RF) xu\u1ed1ng 18-20 n\u1ebfu b\u1ea1n mu\u1ed1n gi\u1eef ch\u1ea5t l\u01b0\u1ee3ng s\u00e1t b\u1ea3n g\u1ed1c.<\/li>\n<li>Ch\u1ecdn th\u01b0 m\u1ee5c l\u01b0u \u1edf m\u1ee5c Save As r\u1ed3i b\u1ea5m Start Encode.<\/li>\n<\/ol>\n<p>HandBrake cho ch\u1ec9nh m\u1ee9c n\u00e9n, \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 t\u1ed1c \u0111\u1ed9 khung h\u00ecnh \u2014 h\u1eefu \u00edch khi c\u1ea7n gi\u1ea3m dung l\u01b0\u1ee3ng \u0111\u1ec3 g\u1eedi qua email. Ph\u1ea7n m\u1ec1m c\u0169ng c\u00f3 h\u00e0ng \u0111\u1ee3i (Queue) \u0111\u1ec3 ch\u1ea1y nhi\u1ec1u file m\u1ed9t l\u01b0\u1ee3t.<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-608502 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-3.jpg\" alt=\"webm-to-mp4-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>3. FFmpeg \u2014 nhanh nh\u1ea5t khi c\u00f3 nhi\u1ec1u file<\/h3>\n<p>FFmpeg l\u00e0 c\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh mi\u1ec5n ph\u00ed, m\u00e3 ngu\u1ed3n m\u1edf, kh\u00f4ng gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng. C\u00e0i t\u1eeb ffmpeg.org, m\u1edf Command Prompt ho\u1eb7c Terminal \u1edf th\u01b0 m\u1ee5c ch\u1ee9a video r\u1ed3i g\u00f5:<\/p>\n<pre>ffmpeg -i video.webm video.mp4<\/pre>\n<p>L\u1ec7nh n\u00e0y t\u1ef1 ch\u1ecdn H.264 v\u00e0 AAC, \u0111\u1ee7 cho h\u1ea7u h\u1ebft tr\u01b0\u1eddng h\u1ee3p. Mu\u1ed1n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, th\u00eam v\u00e0i tu\u1ef3 ch\u1ecdn:<\/p>\n<pre>ffmpeg -i video.webm -crf 20 -preset slow -movflags faststart video.mp4<\/pre>\n<p>Trong \u0111\u00f3 <em>-crf<\/em> l\u00e0 m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng (0-51, c\u00e0ng th\u1ea5p c\u00e0ng \u0111\u1eb9p v\u00e0 c\u00e0ng n\u1eb7ng), <em>-preset<\/em> \u0111\u1ed5i gi\u1eefa nhanh v\u00e0 n\u00e9n t\u1ed1t (ultrafast, veryfast, fast, medium, slow, veryslow), c\u00f2n <em>-movflags faststart<\/em> gi\u00fap video ph\u00e1t \u0111\u01b0\u1ee3c ngay khi t\u1ea3i tr\u00ean web.<\/p>\n<p>N\u1ebfu file WebM ch\u1ee9a s\u1eb5n h\u00ecnh H.264, b\u1ea1n copy nguy\u00ean lu\u1ed3ng h\u00ecnh sang MP4 m\u00e0 kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng:<\/p>\n<pre>ffmpeg -i video.webm -c:v copy video.mp4<\/pre>\n<p>Ki\u1ec3m tra b\u1eb1ng c\u00e1ch m\u1edf file trong VLC, v\u00e0o c\u1eeda s\u1ed5 Media Information xem t\u00ean codec c\u1ee7a lu\u1ed3ng h\u00ecnh.<\/p>\n<h3>4. C\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn \u2014 nhanh nh\u1ea5t cho file nh\u1ecf<\/h3>\n<p>C\u00e1c trang nh\u01b0 Convertio, FreeConvert, CloudConvert \u0111\u1ec1u chuy\u1ec3n WebM sang MP4 ngay tr\u00ean tr\u00ecnh duy\u1ec7t.<\/p>\n<ol>\n<li>Truy c\u1eadp trang c\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i.<\/li>\n<li>T\u1ea3i file WebM l\u00ean.<\/li>\n<li>Ch\u1ecdn \u0111\u1ecbnh d\u1ea1ng \u0111\u1ea7u ra l\u00e0 MP4.<\/li>\n<li>B\u1ea5m chuy\u1ec3n \u0111\u1ed5i r\u1ed3i t\u1ea3i file v\u1ec1 m\u00e1y.<\/li>\n<\/ol>\n<p>Gi\u1edbi h\u1ea1n b\u1ea3n mi\u1ec5n ph\u00ed, t\u00ednh \u0111\u1ebfn th\u00e1ng 9\/2026: Convertio cho t\u1ed1i \u0111a 1GB m\u1ed7i file v\u00e0 10 l\u01b0\u1ee3t quy \u0111\u1ed5i trong 24 gi\u1edd; FreeConvert cho 20 ph\u00fat quy \u0111\u1ed5i m\u1ed7i ng\u00e0y, t\u1ed1i \u0111a 5 ph\u00fat x\u1eed l\u00fd cho m\u1ed9t file. Quan tr\u1ecdng h\u01a1n gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng: file c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean m\u00e1y ch\u1ee7 b\u00ean th\u1ee9 ba, n\u00ean \u0111\u1eebng d\u00f9ng v\u1edbi video ri\u00eang t\u01b0 ho\u1eb7c t\u00e0i li\u1ec7u n\u1ed9i b\u1ed9.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-608503 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-4.jpg\" alt=\"webm-to-mp4-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>5. \u0110\u1ed5i trong ph\u1ea7n m\u1ec1m d\u1ef1ng phim b\u1ea1n \u0111ang d\u00f9ng<\/h3>\n<p>N\u1ebfu \u0111\u00e3 c\u00f3 s\u1eb5n ph\u1ea7n m\u1ec1m d\u1ef1ng, b\u1ea1n kh\u00f4ng c\u1ea7n c\u00e0i th\u00eam g\u00ec: nh\u1eadp file WebM v\u00e0o d\u1ef1 \u00e1n r\u1ed3i xu\u1ea5t ra MP4. C\u00e1ch n\u00e0y ti\u1ec7n khi b\u1ea1n \u0111\u1ecbnh c\u1eaft gh\u00e9p lu\u00f4n ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng. Xem th\u00eam <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/phan-mem-edit-video\/\">ph\u1ea7n m\u1ec1m edit video t\u1ed1t nh\u1ea5t<\/a>.<\/p>\n<h2>So s\u00e1nh 5 c\u00e1ch chuy\u1ec3n WebM sang MP4<\/h2>\n<table>\n<thead>\n<tr>\n<th>C\u00e1ch l\u00e0m<\/th>\n<th>Mi\u1ec5n ph\u00ed t\u1edbi \u0111\u00e2u<\/th>\n<th>C\u1ea7n c\u00e0i \u0111\u1eb7t<\/th>\n<th>T\u1ed1c \u0111\u1ed9<\/th>\n<th>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/th>\n<th>Dung l\u01b0\u1ee3ng t\u1ed1i \u0111a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>VLC<\/td>\n<td>To\u00e0n b\u1ed9<\/td>\n<td>C\u00f3<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>C\u01a1 b\u1ea3n<\/td>\n<td>Kh\u00f4ng gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>HandBrake<\/td>\n<td>To\u00e0n b\u1ed9<\/td>\n<td>C\u00f3<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Chi ti\u1ebft nh\u1ea5t (thanh RF)<\/td>\n<td>Kh\u00f4ng gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>FFmpeg<\/td>\n<td>To\u00e0n b\u1ed9<\/td>\n<td>C\u00f3, d\u00f2ng l\u1ec7nh<\/td>\n<td>Nhanh nh\u1ea5t<\/td>\n<td>Chi ti\u1ebft, qua tham s\u1ed1<\/td>\n<td>Kh\u00f4ng gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn<\/td>\n<td>Gi\u1edbi h\u1ea1n theo ng\u00e0y<\/td>\n<td>Kh\u00f4ng<\/td>\n<td>Tu\u1ef3 m\u1ea1ng<\/td>\n<td>\u00cdt tu\u1ef3 ch\u1ecdn<\/td>\n<td>Convertio 1GB<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n m\u1ec1m d\u1ef1ng phim<\/td>\n<td>Tu\u1ef3 ph\u1ea7n m\u1ec1m<\/td>\n<td>\u0110\u00e3 c\u00f3 s\u1eb5n<\/td>\n<td>Ch\u1eadm h\u01a1n<\/td>\n<td>T\u1ed1t, k\u00e8m c\u1eaft gh\u00e9p<\/td>\n<td>Kh\u00f4ng gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Khi n\u00e0o n\u00ean d\u00f9ng c\u00e1ch n\u00e0o?<\/h2>\n<table>\n<thead>\n<tr>\n<th>T\u00ecnh hu\u1ed1ng<\/th>\n<th>C\u00e1ch ph\u00f9 h\u1ee3p<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>File l\u1edbn, video ri\u00eang t\u01b0<\/td>\n<td>VLC, HandBrake, FFmpeg<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea7n gi\u1ea3m dung l\u01b0\u1ee3ng file \u0111\u1ea7u ra<\/td>\n<td>HandBrake<\/td>\n<\/tr>\n<tr>\n<td>Mu\u1ed1n ch\u1ea5t l\u01b0\u1ee3ng s\u00e1t b\u1ea3n g\u1ed1c nh\u1ea5t<\/td>\n<td>HandBrake RF 18-20 ho\u1eb7c FFmpeg -crf 18-20<\/td>\n<\/tr>\n<tr>\n<td>File nh\u1ecf, c\u1ea7n g\u1ea5p, kh\u00f4ng nh\u1ea1y c\u1ea3m<\/td>\n<td>C\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn<\/td>\n<\/tr>\n<tr>\n<td>V\u1eeba \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng v\u1eeba c\u1eaft gh\u00e9p<\/td>\n<td>Ph\u1ea7n m\u1ec1m d\u1ef1ng phim<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3 th\u01b0 m\u1ee5c h\u00e0ng ch\u1ee5c file<\/td>\n<td>FFmpeg ho\u1eb7c h\u00e0ng \u0111\u1ee3i HandBrake<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-608504 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-5.jpg\" alt=\"webm-to-mp4-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>L\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/h2>\n<table>\n<thead>\n<tr>\n<th>Hi\u1ec7n t\u01b0\u1ee3ng<\/th>\n<th>C\u00e1ch x\u1eed l\u00fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>VLC chuy\u1ec3n xong nh\u01b0ng file kh\u00f4ng ph\u00e1t \u0111\u01b0\u1ee3c<\/td>\n<td>Ki\u1ec3m tra \u0111\u00e3 g\u00f5 \u0111u\u00f4i .mp4 trong t\u00ean file ch\u01b0a, VLC kh\u00f4ng t\u1ef1 th\u00eam.<\/td>\n<\/tr>\n<tr>\n<td>File MP4 m\u1ea5t ti\u1ebfng<\/td>\n<td>Ch\u1ecdn l\u1ea1i h\u1ed3 s\u01a1 c\u00f3 k\u00e8m \u00e2m thanh (H.264 + MP3), ho\u1eb7c d\u00f9ng HandBrake.<\/td>\n<\/tr>\n<tr>\n<td>Video b\u1ecb gi\u1eadt, m\u1ea5t khung h\u00ecnh<\/td>\n<td>File g\u1ed1c c\u00f3 t\u1ed1c \u0111\u1ed9 khung h\u00ecnh bi\u1ebfn thi\u00ean. D\u00f9ng HandBrake, \u0111\u1eb7t khung h\u00ecnh c\u1ed1 \u0111\u1ecbnh.<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng c\u1ee5 online b\u00e1o file qu\u00e1 l\u1edbn ho\u1eb7c h\u1ebft l\u01b0\u1ee3t<\/td>\n<td>Chuy\u1ec3n sang VLC, HandBrake ho\u1eb7c FFmpeg.<\/td>\n<\/tr>\n<tr>\n<td>Chuy\u1ec3n \u0111\u1ed5i r\u1ea5t l\u00e2u<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng v\u1edbi video d\u00e0i. \u0110\u1ed5i preset sang fast ho\u1eb7c veryfast \u0111\u1ec3 r\u00fat ng\u1eafn.<\/td>\n<\/tr>\n<tr>\n<td>File MP4 n\u1eb7ng h\u01a1n file WebM g\u1ed1c<\/td>\n<td>VP9 v\u00e0 AV1 n\u00e9n hi\u1ec7u qu\u1ea3 h\u01a1n H.264. Mu\u1ed1n nh\u1eb9 h\u01a1n, t\u0103ng RF\/CRF l\u00ean 24-26.<\/td>\n<\/tr>\n<tr>\n<td>FFmpeg b\u00e1o l\u1ed7i khi d\u00f9ng -c copy<\/td>\n<td>File d\u00f9ng VP8\/VP9 n\u00ean kh\u00f4ng \u0111\u1ed5i v\u1ecf \u0111\u01b0\u1ee3c. B\u1ecf tham s\u1ed1 -c copy \u0111\u1ec3 m\u00e3 ho\u00e1 l\u1ea1i.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c, xem th\u00eam <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/doi-duoi-mov-sang-mp4\/\">chuy\u1ec3n MOV sang MP4<\/a> v\u00e0 b\u00e0i <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/mp4\/\">file MP4 l\u00e0 g\u00ec<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-608505 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-6.jpg\" alt=\"webm-to-mp4-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/09\/webm-to-mp4-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>Chuy\u1ec3n WebM sang MP4 mi\u1ec5n ph\u00ed b\u1eb1ng c\u00e1ch n\u00e0o?<\/h3>\n<p>D\u00f9ng VLC Media Player, HandBrake ho\u1eb7c FFmpeg \u2014 c\u1ea3 ba \u0111\u1ec1u mi\u1ec5n ph\u00ed, kh\u00f4ng gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng v\u00e0 x\u1eed l\u00fd ngay tr\u00ean m\u00e1y n\u00ean kh\u00f4ng ph\u1ea3i t\u1ea3i file l\u00ean m\u1ea1ng.<\/p>\n<h3>Chuy\u1ec3n WebM sang MP4 c\u00f3 gi\u1eef nguy\u00ean ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng?<\/h3>\n<p>G\u1ea7n nh\u01b0 lu\u00f4n c\u00f3 m\u1ea5t m\u1ed9t ph\u1ea7n, v\u00ec WebM th\u01b0\u1eddng ch\u1ee9a VP8\/VP9\/AV1 c\u00f2n MP4 c\u1ea7n H.264 n\u00ean video ph\u1ea3i \u0111\u01b0\u1ee3c m\u00e3 ho\u00e1 l\u1ea1i. Ch\u1ec9 khi file WebM \u0111\u00e3 ch\u1ee9a s\u1eb5n h\u00ecnh H.264 th\u00ec m\u1edbi \u0111\u1ed5i v\u1ecf ch\u1ee9a \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng. Gi\u1eef nguy\u00ean \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 \u0111\u1eb7t RF\/CRF \u1edf m\u1ee9c 18-20 s\u1ebd cho b\u1ea3n g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ea5y kh\u00e1c bi\u1ec7t.<\/p>\n<h3>V\u00ec sao file WebM kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c tr\u00ean m\u00e1y t\u00f4i?<\/h3>\n<p>V\u00ec WebM l\u00e0 \u0111\u1ecbnh d\u1ea1ng d\u00e0nh cho web, nhi\u1ec1u tr\u00ecnh ph\u00e1t m\u1eb7c \u0111\u1ecbnh v\u00e0 ph\u1ea7n m\u1ec1m d\u1ef1ng kh\u00f4ng h\u1ed7 tr\u1ee3, k\u1ec3 c\u1ea3 Safari. VLC m\u1edf \u0111\u01b0\u1ee3c WebM tr\u1ef1c ti\u1ebfp, c\u00f2n mu\u1ed1n d\u00f9ng \u1edf n\u01a1i kh\u00e1c th\u00ec n\u00ean chuy\u1ec3n sang MP4.<\/p>\n<h3>Chuy\u1ec3n WebM sang MP4 tr\u00ean \u0111i\u1ec7n tho\u1ea1i \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n<p>\u0110\u01b0\u1ee3c, qua c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn m\u1edf b\u1eb1ng tr\u00ecnh duy\u1ec7t ho\u1eb7c \u1ee9ng d\u1ee5ng chuy\u1ec3n \u0111\u1ed5i video tr\u00ean kho \u1ee9ng d\u1ee5ng. V\u1edbi file l\u1edbn th\u00ec l\u00e0m tr\u00ean m\u00e1y t\u00ednh nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n nhi\u1ec1u.<\/p>\n<h3>D\u00f9ng c\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i online c\u00f3 an to\u00e0n kh\u00f4ng?<\/h3>\n<p>File c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean m\u00e1y ch\u1ee7 b\u00ean th\u1ee9 ba n\u00ean ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi video kh\u00f4ng nh\u1ea1y c\u1ea3m. Video ri\u00eang t\u01b0 hay t\u00e0i li\u1ec7u n\u1ed9i b\u1ed9 n\u00ean x\u1eed l\u00fd b\u1eb1ng VLC, HandBrake ho\u1eb7c FFmpeg tr\u00ean m\u00e1y.<\/p>\n<h3>Chuy\u1ec3n h\u00e0ng lo\u1ea1t nhi\u1ec1u file WebM c\u00f9ng l\u00fac \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n<p>\u0110\u01b0\u1ee3c. HandBrake c\u00f3 h\u00e0ng \u0111\u1ee3i cho ph\u00e9p th\u00eam nhi\u1ec1u file r\u1ed3i ch\u1ea1y m\u1ed9t l\u01b0\u1ee3t, c\u00f2n FFmpeg x\u1eed l\u00fd c\u1ea3 th\u01b0 m\u1ee5c b\u1eb1ng m\u1ed9t v\u00f2ng l\u1eb7p trong Command Prompt ho\u1eb7c Terminal.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>V\u1edbi file nh\u1ecf v\u00e0 kh\u00f4ng nh\u1ea1y c\u1ea3m, c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn l\u00e0 c\u00e1ch nhanh nh\u1ea5t. N\u1ebfu file l\u1edbn, ri\u00eang t\u01b0 ho\u1eb7c b\u1ea1n c\u1ea7n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea7u ra, VLC, HandBrake v\u00e0 FFmpeg l\u00e0 ba l\u1ef1a ch\u1ecdn mi\u1ec5n ph\u00ed \u0111\u00e1ng c\u00e0i s\u1eb5n. H\u00e3y nh\u1edb \u0111\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh m\u00e3 ho\u00e1 l\u1ea1i n\u00ean s\u1ebd m\u1ea5t m\u1ed9t ch\u00fat ch\u1ea5t l\u01b0\u1ee3ng: \u0111\u1eb7t RF\/CRF quanh 18-20, gi\u1eef nguy\u00ean \u0111\u1ed9 ph\u00e2n gi\u1ea3i g\u1ed1c, v\u00e0 gi\u1eef file WebM ban \u0111\u1ea7u cho t\u1edbi khi ch\u1eafc ch\u1eafn b\u1ea3n MP4 ch\u1ea1y \u0111\u00fang.<\/p>\n<p><strong>Xem th\u00eam: <\/strong><\/p>\n<ul>\n<li class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/youtube-mp4\/\">10 c\u00e1ch chuy\u1ec3n YouTube sang MP4 mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t 2025<\/a><\/li>\n<li class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/chuyen-video-tiktok-sang-mp4\/\">6 c\u00e1ch chuy\u1ec3n video TikTok sang MP4 kh\u00f4ng c\u00f3 logo c\u1ef1c d\u1ec5<\/a><\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Chuy\u1ec3n WebM sang MP4 mi\u1ec5n ph\u00ed b\u1eb1ng c\u00e1ch n\u00e0o?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"D\u00f9ng VLC Media Player, HandBrake ho\u1eb7c FFmpeg \u2014 c\u1ea3 ba \u0111\u1ec1u mi\u1ec5n ph\u00ed, kh\u00f4ng gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng v\u00e0 x\u1eed l\u00fd ngay tr\u00ean m\u00e1y n\u00ean kh\u00f4ng ph\u1ea3i t\u1ea3i file l\u00ean m\u1ea1ng.\"}},{\"@type\":\"Question\",\"name\":\"Chuy\u1ec3n WebM sang MP4 c\u00f3 gi\u1eef nguy\u00ean ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"G\u1ea7n nh\u01b0 lu\u00f4n c\u00f3 m\u1ea5t m\u1ed9t ph\u1ea7n, v\u00ec WebM th\u01b0\u1eddng ch\u1ee9a VP8\/VP9\/AV1 c\u00f2n MP4 c\u1ea7n H.264 n\u00ean video ph\u1ea3i \u0111\u01b0\u1ee3c m\u00e3 ho\u00e1 l\u1ea1i. Ch\u1ec9 khi file WebM \u0111\u00e3 ch\u1ee9a s\u1eb5n h\u00ecnh H.264 th\u00ec m\u1edbi \u0111\u1ed5i v\u1ecf ch\u1ee9a \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng. Gi\u1eef nguy\u00ean \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 \u0111\u1eb7t RF\/CRF \u1edf m\u1ee9c 18-20 s\u1ebd cho b\u1ea3n g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ea5y kh\u00e1c bi\u1ec7t.\"}},{\"@type\":\"Question\",\"name\":\"V\u00ec sao file WebM kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c tr\u00ean m\u00e1y t\u00f4i?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"V\u00ec WebM l\u00e0 \u0111\u1ecbnh d\u1ea1ng d\u00e0nh cho web, nhi\u1ec1u tr\u00ecnh ph\u00e1t m\u1eb7c \u0111\u1ecbnh v\u00e0 ph\u1ea7n m\u1ec1m d\u1ef1ng kh\u00f4ng h\u1ed7 tr\u1ee3, k\u1ec3 c\u1ea3 Safari tr\u00ean macOS v\u00e0 iOS. 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Tuy nhi\u00ean v\u1edbi file l\u1edbn th\u00ec l\u00e0m tr\u00ean m\u00e1y t\u00ednh nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n nhi\u1ec1u.\"}},{\"@type\":\"Question\",\"name\":\"D\u00f9ng c\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i online c\u00f3 an to\u00e0n kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"File c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean m\u00e1y ch\u1ee7 b\u00ean th\u1ee9 ba n\u00ean ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi video kh\u00f4ng nh\u1ea1y c\u1ea3m. Video ri\u00eang t\u01b0 hay t\u00e0i li\u1ec7u n\u1ed9i b\u1ed9 n\u00ean x\u1eed l\u00fd b\u1eb1ng VLC, HandBrake ho\u1eb7c FFmpeg tr\u00ean m\u00e1y.\"}},{\"@type\":\"Question\",\"name\":\"Chuy\u1ec3n h\u00e0ng lo\u1ea1t nhi\u1ec1u file WebM c\u00f9ng l\u00fac \u0111\u01b0\u1ee3c kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u0110\u01b0\u1ee3c. HandBrake c\u00f3 h\u00e0ng \u0111\u1ee3i cho ph\u00e9p th\u00eam nhi\u1ec1u file r\u1ed3i ch\u1ea1y m\u1ed9t l\u01b0\u1ee3t, c\u00f2n FFmpeg x\u1eed l\u00fd c\u1ea3 th\u01b0 m\u1ee5c b\u1eb1ng m\u1ed9t v\u00f2ng l\u1eb7p trong Command Prompt ho\u1eb7c Terminal.\"}}]}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch chuy\u1ec3n WebM sang MP4 nhanh v\u00e0 kh\u00f4ng gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng l\u00e0 d\u00f9ng VLC Media Player: m\u1edf VLC, v\u00e0o Media &gt; Convert\/Save, th\u00eam file WebM, ch\u1ecdn h\u1ed3 s\u01a1 Video &#8211; H.264 + MP3 (MP4) r\u1ed3i b\u1ea5m Start. VLC mi\u1ec5n ph\u00ed, ch\u1ea1y tr\u00ean c\u1ea3 Windows l\u1eabn macOS v\u00e0 x\u1eed l\u00fd ngay tr\u00ean m\u00e1y n\u00ean kh\u00f4ng [&hellip;]<\/p>\n","protected":false},"author":65,"featured_media":608499,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"webm to mp4","_yoast_wpseo_title":"WebM to MP4: 4 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i mi\u1ec5n ph\u00ed, nhanh 2026","_yoast_wpseo_metadesc":"WebM to MP4: 5 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i mi\u1ec5n ph\u00ed b\u1eb1ng VLC, HandBrake, FFmpeg v\u00e0 c\u00f4ng c\u1ee5 online, k\u00e8m m\u1eb9o \u0111\u1eb7t th\u00f4ng s\u1ed1 \u0111\u1ec3 h\u1ea1n ch\u1ebf gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng khi m\u00e3 ho\u00e1 l\u1ea1i.","footnotes":""},"categories":[16,412],"tags":[],"class_list":["post-606958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat","category-thu-thuat-may-tinh"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - 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