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Choose what video and audio codecs YouTube should play for you enhanced-h264ify is a fork of well-known h264ify extension for Firefox/Chrome which blocks VP8/VP9 codecs on YouTube, so that you can use H264 only. This may be useful because there are lots of devices on the market which support H264 hardware decoding and do not support VP8/VP9. This extension has new features such as manual blocking of H264, VP8, VP9, AV1, Opus, AAC codecs and 60fps video. By default it blocks everything but H264 and 60fps video. It works only on YouTube. GitHub: https://github.com/alextrv/enhanced-h264ify If you like this extension and want to support the developer, you can do it here: https://ko-fi.com/alextrv
Mar 25, 2026
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Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
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Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
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Count of case-insensitive occurrences in the description.
Category user-count percentile
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These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.