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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

User growth 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

7-day 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
Growth overview

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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
Lucy Biddle2019年12月6日
5

I've been having to pause YouTube videos to let my ultra-low-power laptop cool down, or else it pauses every 10 seconds. This extension has improved my video-binging experience by at least 20%

Language en
1 helpful · 0 not helpful
Nicolas Scheidler2019年12月5日
5

Amazing. Old notebooks works again with 1080p 60fps videos and streams

Language en
Pap Ant2019年12月2日
5

Very good extension for blocking 60fps youtube videos who taking a high cpu usage.. Now i can play videos 1080 without 60fps and my cpu usage is low..

Language en
Lightning Zeus2019年12月1日
5

It really works, good job! Thanks a lot.

Language en
Александр Григорьев2019年11月27日
5

Мне помогло, цель была снизить нагрузку с проца, чтобы ноут меньше грелся, в основном слушаю видео, youtube открыт в фоне, качество видео не особо интересует, это расширение помогло, проц i7-4770HQ не напрягается, вентилятор практически не раскручивается, тишина!

Language ru
Cotan2019年11月23日
4

In Opera 65 with this extension, any video stutters and constantly stops. I had to turn it off until better times.

Language en
1 helpful · 0 not helpful
Егор Смирнов2019年11月16日
1

Может я что то не так делаю, но нихрена не работает, как было 60 фпс, так и осталось Галочка block 60 fps стоит

Language ru
1 helpful · 1 not helpful
pierre-vincent marzin sassere2019年11月13日
5

Fixed my youtube 60p lag issue on my chromebook in an instant. Great job.

Language en
mister beefhead2019年11月5日
5

i was seeking something to disable 60 fps video (i use an ancient desktop) and this worked the treat. thanks!!

Language en
Eric Yang2019年10月29日
5

much improved on old pc. recommended!

Language en