h264ify

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

Total ratings

4.42 (Rating count: 214)

Review summary

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Significantly reduces CPU usage while watching videos.
  • Improves video playback smoothness and reduces buffering.
  • Helps prevent laptops from overheating during video playback.
  • Enables seamless playback of 1080p videos without lag.
Cons
  • May block the ability to watch videos above 1080p.
  • Sometimes fails to work as expected with certain video formats like AV1.
  • Can lead to compatibility issues with other extensions or settings.
Most mentioned
  • Improves video streaming performance.
  • Reduces lag and buffering.
  • Blocks VP8/VP9 leading to issues with AV1 playback.
See reviews for h264ify on Firefox Browser Add-ons
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User reviews

Recent rating average: 4.40
All time rating average: 4.42
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Rating filters

5 star
78% (138)
4 star
7% (12)
3 star
3% (6)
2 star
3% (6)
1 star
9% (16)
Date Author Rating Comment
2024-12-12 abcd THANK YOUUUU
2024-12-06 JoninHV Fixed my lag
2024-11-07 Firefox user 13504848
2024-11-05 spayder26
2024-10-25 Firefox user 18655312
2024-10-24 Kakyouin
2024-10-14 Neleot Perfect. Got an i5 6300hq, was having ~50% CPU usage while watching 1080p@60fps. With this i got 25-30% CPU usage. Thank you!
2024-08-08 SineWave
2024-08-03 cavadao77 This add-on fixed my problem with YouTube immediately, I have a high end PC and it was freezing itself at 2x 1080p60. Thank you guys!
2024-06-22 Vitaly Zdanevich Not working anymore - I still have av1.
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