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Codec: avc1.640832

84.43% Encoder Support
53,330 of 63,162 sessions supported encoding
99.94% Decoder Support
11,853 of 11,860 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,162 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.17% 27,536 / 27,767 99.89% 4,415 / 4,420 — 96.43% 11,789 / 12,226 97.46% 1,496 / 1,535
SafariSafari
 — 1.95% 32 / 1,644 1.7% 120 / 7,049 — —
EdgeEdge
 99.78% 4,995 / 5,006 100.0% 51 / 51 — 98.2% 109 / 111 100.0% 11 / 11
FirefoxFirefox
 95.67% 2,144 / 2,241 100.0% 297 / 297 — — 99.33% 296 / 298

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,860 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,169 / 5,170 99.85% 662 / 663 — 100.0% 2,317 / 2,317 99.14% 344 / 347
SafariSafari
 — 100.0% 272 / 272 100.0% 1,436 / 1,436 — —
EdgeEdge
 100.0% 1,010 / 1,010 — — 100.0% 25 / 25 —
FirefoxFirefox
 100.0% 422 / 422 100.0% 59 / 59 — — 100.0% 58 / 58