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Codec: avc1.4d0c32

86.42% Encoder Support
1,859,066 of 2,151,213 sessions supported encoding
99.8% Decoder Support
2,096,001 of 2,100,110 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,151,213 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 863,905 / 869,262 99.74% 100,420 / 100,682 — 97.39% 632,568 / 649,519 96.7% 42,523 / 43,975
SafariSafari
 — 1.59% 766 / 48,063 1.83% 4,001 / 219,051 — —
EdgeEdge
 99.82% 143,682 / 143,936 99.93% 1,504 / 1,505 — 99.31% 4,178 / 4,207 98.76% 638 / 646
FirefoxFirefox
 95.94% 51,366 / 53,539 99.97% 7,327 / 7,329 — 0.0% 0 / 103 98.76% 5,836 / 5,909

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,100,110 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 846,469 / 846,673 99.8% 96,871 / 97,069 — 99.65% 637,275 / 639,509 98.35% 42,102 / 42,810
SafariSafari
 — 99.84% 46,631 / 46,706 99.98% 213,281 / 213,334 — —
EdgeEdge
 99.99% 140,032 / 140,044 100.0% 1,457 / 1,457 — 100.0% 4,131 / 4,131 99.07% 636 / 642
FirefoxFirefox
 99.97% 51,743 / 51,760 99.94% 7,100 / 7,104 — 0.0% 0 / 96 98.58% 5,613 / 5,694