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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

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1 assets
Trend

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User Growth Over Time

1M1M1M1M1M2026年7月15日2026年7月18日2026年7月21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15日2026年7月18日2026年7月21日Latest: 4.57
2026年7月15日2026年7月21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
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3
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46
مجهول2021年2月8日
5

I absolutely love this plugin. Webm or vp9 video playback makes my laptop extremely slow. This plugin solved this issue. Thank you. 5 out of 5. Didn't face any issue so far.

Language en
Computek Tizimin2021年2月3日
5

excelente, lo he instalado en una mini laptop acer con procesador intel atom, y a cargado bien los videos, redujo la carga del procesador en un 30%

Language es
1 helpful · 0 not helpful
Александр Беляков2021年1月21日
4

К сожалению 88 версия хрома теперь зависает. Выличите пожалуйса.

Language ru
1 helpful · 0 not helpful
Дмитрий Булыгин2021年1月20日
5

По сравнению нагрузки на ЦП в диспетчере задач, с этим расширением выше 10% не бывает, энергопотребление в основном низкое, бывает умеренное но только в начале запуска видео (качество видео 1080р), в то время когда без этого расширения нагрузка в основном 30%, а то и более бывает (было замечено до 60%) и энергопотребление скачет между высоким и очень высоким. Вывод, ютуб вы там чё ауели? 👿

Language ru
1 helpful · 0 not helpful
Marz2021年1月11日
5

This app is a real life saver!!! Before, I was using YouTube normally and it would hit up to 98% cpu usage on 1080p and when I switched to this, the cpu usage went all the way down to 10% cpu usage, it's a really good piece of software!

Language en
1 helpful · 0 not helpful
Rafa RS2021年1月9日
1

It limits the video quality to 1080p in YouTube, what's the point then? I can do that by myself and have no issues... Plus the videos look worse... Total garbage...

Language en
0 helpful · 5 not helpful
Richard2021年1月8日
5

Lo mejor para computadoras antigüitas. Gracias maestro!

Language es
1 helpful · 0 not helpful
Cash Bonanza2020年12月31日
5

Does the job right. Exremely useful for PCs that don't support VP9. It's increases browsing and overall performence by reducing load on CPU. It also increases battery life considerably. I am uninstalling it because I don't need it anymore since my new laptops now supports VP9. but for those that want to block 60fps vids or convert them to 30fps while streaming this is still usefull. Thanks a lot for the great work, devs.

Language en
Owen Grenney2020年12月29日
4

I didn't know about h264ify until it came pre-installed on my Raspberry Pi 4 and got carried over to my Windows 10 PC. My PC is not that great, so this extension works perfectly for me! Videos lag otherwise if I turn it off. My only complaint here is that auto-generated captions just seem to disappear. Other than that, amazing extension for bad computers!

Language en
Dmytro P2020年12月24日
5

Спасибо автору! Все работает супер!

Language ru
1 helpful · 1 not helpful