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Codec: avc1.640032

98.45% Encoder Support
2,115,173 of 2,148,521 sessions supported encoding
99.8% Decoder Support
2,092,828 of 2,096,936 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 2,148,521 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 862,336 / 867,735 99.75% 100,375 / 100,631 — 96.5% 626,315 / 649,001 96.26% 41,910 / 43,538
SafariSafari
 — 99.74% 48,003 / 48,127 99.98% 218,770 / 218,823 — —
EdgeEdge
 99.84% 143,605 / 143,828 100.0% 1,423 / 1,423 — 98.45% 4,197 / 4,263 98.55% 679 / 689
FirefoxFirefox
 95.92% 51,146 / 53,324 99.97% 7,511 / 7,513 — 0.0% 0 / 110 98.74% 5,950 / 6,026

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,936 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,786 / 844,974 99.79% 96,786 / 96,988 — 99.65% 636,712 / 638,980 98.35% 41,656 / 42,355
SafariSafari
 — 99.82% 46,655 / 46,739 99.98% 213,105 / 213,158 — —
EdgeEdge
 99.99% 139,722 / 139,729 100.0% 1,385 / 1,385 — 100.0% 4,187 / 4,187 98.68% 673 / 682
FirefoxFirefox
 99.96% 51,490 / 51,509 99.97% 7,281 / 7,283 — 0.0% 0 / 97 98.43% 5,700 / 5,791