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Codec: avc1.640829

86.3% Encoder Support
275,973 of 319,790 sessions supported encoding
99.94% Decoder Support
269,079 of 269,243 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,790 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 142,611 / 143,683 99.89% 19,466 / 19,487 — 96.3% 61,418 / 63,780 97.51% 7,629 / 7,824
SafariSafari
 — 1.8% 155 / 8,593 1.46% 452 / 30,942 — —
EdgeEdge
 99.84% 30,993 / 31,044 100.0% 384 / 384 — 98.29% 921 / 937 100.0% 64 / 64
FirefoxFirefox
 96.17% 9,181 / 9,547 100.0% 1,331 / 1,331 — 0.0% 0 / 33 98.83% 1,272 / 1,287

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,243 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,240 / 121,276 99.92% 15,927 / 15,939 — 99.99% 53,891 / 53,899 99.11% 6,581 / 6,640
SafariSafari
 — 99.96% 7,210 / 7,213 99.98% 25,463 / 25,467 — —
EdgeEdge
 100.0% 27,177 / 27,177 100.0% 340 / 340 — 100.0% 865 / 865 100.0% 57 / 57
FirefoxFirefox
 100.0% 7,793 / 7,793 100.0% 1,103 / 1,103 — 0.0% 0 / 21 99.33% 1,038 / 1,045