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Codec: avc1.641033

86.18% Encoder Support
1,853,973 of 2,151,222 sessions supported encoding
99.81% Decoder Support
2,096,264 of 2,100,252 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,151,222 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 862,982 / 868,289 99.76% 100,347 / 100,592 — 96.51% 628,338 / 651,052 96.42% 42,377 / 43,951
SafariSafari
 — 1.57% 761 / 48,439 1.87% 4,077 / 217,993 — —
EdgeEdge
 99.85% 143,685 / 143,901 100.0% 1,504 / 1,504 — 99.03% 4,180 / 4,221 98.67% 666 / 675
FirefoxFirefox
 95.92% 51,356 / 53,541 99.99% 7,415 / 7,416 — 0.0% 0 / 129 98.6% 5,927 / 6,011

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,100,252 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,810 / 845,976 99.8% 96,712 / 96,905 — 99.66% 638,829 / 641,025 98.39% 42,023 / 42,712
SafariSafari
 — 99.85% 46,932 / 47,003 99.98% 212,475 / 212,522 — —
EdgeEdge
 99.99% 139,879 / 139,887 100.0% 1,470 / 1,470 — 100.0% 4,155 / 4,155 98.96% 664 / 671
FirefoxFirefox
 99.97% 51,760 / 51,776 99.99% 7,181 / 7,182 — 0.0% 0 / 119 98.42% 5,674 / 5,765