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Codec: avc1.641028

84.33% Encoder Support
53,041 of 62,899 sessions supported encoding
99.91% Decoder Support
11,859 of 11,870 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,899 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.18% 27,458 / 27,685 99.95% 4,306 / 4,308 — 96.31% 11,711 / 12,160 98.21% 1,594 / 1,623
SafariSafari
 — 2.0% 33 / 1,654 1.44% 101 / 7,032 — —
EdgeEdge
 99.78% 5,046 / 5,057 100.0% 41 / 41 — 98.97% 96 / 97 100.0% 10 / 10
FirefoxFirefox
 95.14% 2,057 / 2,162 100.0% 272 / 272 — 0.0% 0 / 13 98.61% 283 / 287

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,870 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,120 / 5,121 99.85% 654 / 655 — 100.0% 2,319 / 2,319 98.4% 430 / 437
SafariSafari
 — 100.0% 260 / 260 100.0% 1,412 / 1,412 — —
EdgeEdge
 100.0% 1,069 / 1,069 — — 100.0% 25 / 25 —
FirefoxFirefox
 100.0% 387 / 387 100.0% 45 / 45 — — 100.0% 58 / 58