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Check a finished video against YouTube's recommended upload settings before you upload
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What this guide covers
For creators and editors exporting MP4 files for YouTube. You get a read-only report that marks each recommendation (container, fast start, edit lists, codec, profile, 4:2:0, scan type, B frames, GOP, audio format) as pass, warning or fail, plus fixes for the common failures. It was run only on generated test files; closed GOP and CABAC cannot be read from the file, and YouTube's page opens with a note that its features are only available to Content Manager partners without saying which, so the guide treats the list as published guidance.
More about this guide
Guide ID: art_01M77FQ5239F5Q0PKCFATHVY5Z
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Guide title
Check a finished video against YouTube's recommended upload settings before you upload
Coverage
For creators and editors exporting MP4 files for YouTube. You get a read-only report that marks each recommendation (container, fast start, edit lists, codec, profile, 4:2:0, scan type, B frames, GOP, audio format) as pass, warning or fail, plus fixes for the common failures. It was run only on generated test files; closed GOP and CABAC cannot be read from the file, and YouTube's page opens with a note that its features are only available to Content Manager partners without saying which, so the guide treats the list as published guidance.
Example
A generated file made with ffmpeg's defaults failed on moov position and edit lists, and a stream-copy remux with +faststart and -use_editlist 0 cleared both failures.
Useful starting points
- Re-export from your editor to fix codec, profile or audio problems; do not re-encode a file that already passes.
- Treat bitrates as reference values; the page says no bitrate limit is required.
- After any remux, listen for audio sync on your real file.
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