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Codec: avc1.641434

86.16% Encoder Support
1,850,504 of 2,147,688 sessions supported encoding
99.8% Decoder Support
2,092,671 of 2,096,842 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 2,147,688 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 861,559 / 866,943 99.77% 100,250 / 100,486 — 96.53% 626,948 / 649,501 96.26% 42,024 / 43,657
SafariSafari
 — 1.57% 750 / 47,839 1.82% 3,982 / 218,392 — —
EdgeEdge
 99.86% 143,550 / 143,752 100.0% 1,451 / 1,451 — 98.84% 4,168 / 4,217 99.03% 714 / 721
FirefoxFirefox
 95.79% 51,526 / 53,791 100.0% 7,362 / 7,362 — 0.85% 1 / 117 98.7% 5,867 / 5,944

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,842 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,274 / 844,471 99.81% 96,619 / 96,799 — 99.64% 637,292 / 639,592 98.31% 41,773 / 42,489
SafariSafari
 — 99.83% 46,414 / 46,491 99.98% 212,824 / 212,873 — —
EdgeEdge
 99.99% 139,852 / 139,859 100.0% 1,412 / 1,412 — 100.0% 4,145 / 4,145 99.16% 709 / 715
FirefoxFirefox
 99.96% 51,928 / 51,947 99.99% 7,114 / 7,115 — 0.92% 1 / 109 98.25% 5,616 / 5,716