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Codec: avc1.641420

86.15% Encoder Support
1,849,410 of 2,146,854 sessions supported encoding
99.8% Decoder Support
2,091,881 of 2,095,994 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 2,146,854 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 861,321 / 866,662 99.75% 100,236 / 100,483 — 96.5% 625,964 / 648,661 96.41% 42,428 / 44,006
SafariSafari
 — 1.51% 726 / 48,211 1.82% 3,972 / 218,301 — —
EdgeEdge
 99.86% 143,591 / 143,790 100.0% 1,467 / 1,467 — 98.82% 4,179 / 4,229 99.01% 702 / 709
FirefoxFirefox
 95.9% 51,143 / 53,330 99.96% 7,354 / 7,357 — 0.0% 0 / 101 98.74% 5,979 / 6,055

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,994 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,082 / 844,279 99.8% 96,602 / 96,797 — 99.65% 636,520 / 638,777 98.39% 42,136 / 42,825
SafariSafari
 — 99.84% 46,796 / 46,873 99.98% 212,651 / 212,699 — —
EdgeEdge
 99.99% 139,760 / 139,772 100.0% 1,423 / 1,423 — 100.0% 4,162 / 4,162 99.0% 694 / 701
FirefoxFirefox
 99.96% 51,532 / 51,554 99.93% 7,137 / 7,142 — 0.0% 0 / 94 98.31% 5,707 / 5,805