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Codec: avc1.640434

86.13% Encoder Support
1,850,033 of 2,147,996 sessions supported encoding
99.8% Decoder Support
2,092,941 of 2,097,180 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 2,147,996 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 861,431 / 866,824 99.78% 100,205 / 100,427 — 96.47% 626,966 / 649,875 96.1% 41,991 / 43,697
SafariSafari
 — 1.6% 772 / 48,119 1.82% 3,984 / 218,451 — —
EdgeEdge
 99.84% 143,143 / 143,370 100.0% 1,442 / 1,442 — 98.73% 4,205 / 4,259 98.73% 700 / 709
FirefoxFirefox
 95.86% 51,462 / 53,687 99.99% 7,469 / 7,470 — 0.0% 0 / 124 98.73% 5,905 / 5,981

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,180 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,403 / 844,605 99.82% 96,618 / 96,788 — 99.64% 637,573 / 639,869 98.14% 41,731 / 42,521
SafariSafari
 — 99.82% 46,619 / 46,705 99.98% 212,793 / 212,837 — —
EdgeEdge
 99.99% 139,444 / 139,458 100.0% 1,409 / 1,409 — 100.0% 4,185 / 4,185 98.86% 696 / 704
FirefoxFirefox
 99.97% 51,832 / 51,846 99.96% 7,241 / 7,244 — 0.0% 0 / 110 98.44% 5,664 / 5,754