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Codec: avc1.640834

84.45% Encoder Support
53,581 of 63,444 sessions supported encoding
99.97% Decoder Support
11,865 of 11,869 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,444 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.17% 27,738 / 27,971 99.98% 4,487 / 4,488 — 96.38% 11,696 / 12,135 97.96% 1,587 / 1,620
SafariSafari
 — 2.45% 41 / 1,676 1.76% 124 / 7,036 — —
EdgeEdge
 99.78% 5,001 / 5,012 100.0% 45 / 45 — 98.02% 99 / 101 90.91% 10 / 11
FirefoxFirefox
 95.36% 2,137 / 2,241 100.0% 276 / 276 — — 99.0% 298 / 301

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,869 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,212 / 5,213 100.0% 699 / 699 — 100.0% 2,199 / 2,199 99.75% 399 / 400
SafariSafari
 — 100.0% 266 / 266 100.0% 1,438 / 1,438 — —
EdgeEdge
 100.0% 998 / 998 — — 100.0% 28 / 28 —
FirefoxFirefox
 100.0% 432 / 432 100.0% 47 / 47 — — 100.0% 61 / 61