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h264ify icon

h264ify

Makes YouTube stream H.264 videos instead of VP8/VP9 videos

Users1MCurrent public install base
Rating4.6Store average score
Reviews1,192Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

h264ify Media preview

1 assets
Trend

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User Growth Over Time

1M1M1M1M1M2026年7月13日2026年7月16日2026年7月19日Latest: 1M
Rating trend

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7-day rating change

Start
4.57
Latest
4.57
7-day rating change
0.00
4.474.524.574.624.672026年7月13日2026年7月16日2026年7月19日Latest: 4.57
2026年7月13日2026年7月19日
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Technical snapshot

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Version2.0.1
ManifestV3
Size31.7KiB
Languages2English / čeština
Published
Store updated
Last crawled
Englishčeština
Overview

Product summary

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Try h264ify if YouTube videos stutter, take up too much CPU, eat battery life, or make your laptop hot.

By default, YouTube streams VP8/VP9 encoded video. However, this can cause problems with less powerful machines because VP8/VP9 is not typically hardware accelerated.

In contrast, H.264 is commonly hardware accelerated by GPUs, which usually means smoother video playback and reduced CPU usage. h264ify makes YouTube stream H.264 videos instead of VP8/VP9 videos.

Note: 4K and 1440p videos will not be available because YouTube no longer encodes those videos in H.264

Github: https://github.com/erkserkserks/h264ify

Reviews

Recent review snapshot

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Store average score4.6Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.4Average computed only from synced review bodies below
Reviews with text578Synced review bodies
Total ratings / reviews1,192Chrome Web Store public rating/review count

Store average score: 4.6. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5
440
4
53
3
25
2
14
1
46
Alex Hunter2026年1月7日
5

ty for the extension, this saves the old machines.

Version 2.0.1Language en
1 helpful · 0 not helpful
Sabilillah Fauzal Addim2025年12月30日
5

extension berfungsi dan membuat penggunaan cpu saat memutar video di youtube tidak terlalu banyak

Version 2.0.1Language id
Hùng Vũ2025年12月22日
5

Life saver

Version 2.0.1Language en
BetaTVCreate Remix2025年12月14日
5

Merci pour cette extension c'est l'extension "anti-lag pour youtube" je vous conseille d'installer

Version 2.0.1Language fr
Bruno2025年10月30日
5

Flawless

Version 2.0.1Language en
XLRazork07_n1c32025年10月29日
5

Perfection.

Version 2.0.1Language en
Nicholas Allwins2025年10月28日
5

It does what it says on the tin, stopped my GPU burning up and allows my 4th GEN i5 Devil's Canyon to process the video onchip.

Version 2.0.1Language en
D H2025年10月1日
5

was sent here but bings/copilot chat bot, apparently all the video player side trying save bandwidth, with new power hungry video codex's, that basely passing number crunching power on the end user, your PC, and like app, turns the table and put heavy number crunch back at there end, not your? only tried for day so fare, but system more snappy, and response where video playback is concerned so 5 stars is not enough as fare as I concerned

Version 2.0.1Language en
1 helpful · 0 not helpful
Toni G2025年9月18日
5

Sencillamente perfecto.

Version 2.0.1Language es
Arya_ Official2025年9月7日
5

bagus untuk menurunkan cpu usage

Version 2.0.1Language id