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Codec: avc1.640820

84.4% Encoder Support
53,004 of 62,800 sessions supported encoding
99.97% Decoder Support
11,854 of 11,858 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,800 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.21% 27,479 / 27,699 99.98% 4,327 / 4,328 — 96.46% 11,711 / 12,141 97.7% 1,529 / 1,565
SafariSafari
 — 2.4% 40 / 1,669 1.61% 113 / 7,001 — —
EdgeEdge
 99.86% 4,951 / 4,958 100.0% 47 / 47 — 99.14% 115 / 116 100.0% 12 / 12
FirefoxFirefox
 94.98% 2,062 / 2,171 100.0% 279 / 279 — 0.0% 0 / 15 99.02% 302 / 305

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,858 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,291 / 5,291 100.0% 657 / 657 — 100.0% 2,172 / 2,172 99.74% 391 / 392
SafariSafari
 — 100.0% 292 / 292 100.0% 1,385 / 1,385 — —
EdgeEdge
 100.0% 1,022 / 1,022 — — 100.0% 36 / 36 —
FirefoxFirefox
 100.0% 409 / 409 100.0% 50 / 50 — — 100.0% 56 / 56