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Codec: avc1.420c3e

87.23% Encoder Support
1,875,827 of 2,150,446 sessions supported encoding
87.43% Decoder Support
1,835,038 of 2,098,779 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,446 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.9% 866,835 / 867,661 99.66% 100,947 / 101,288 — 99.25% 645,251 / 650,126 97.27% 42,446 / 43,637
SafariSafari
 — 1.48% 717 / 48,289 1.84% 4,027 / 218,296 — —
EdgeEdge
 99.97% 144,129 / 144,178 100.0% 1,489 / 1,489 — 99.76% 4,149 / 4,159 98.52% 664 / 674
FirefoxFirefox
 95.96% 51,472 / 53,640 100.0% 7,392 / 7,392 — 0.94% 1 / 106 98.76% 5,966 / 6,041

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,779 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 844,725 / 845,113 99.66% 97,193 / 97,526 — 99.37% 635,955 / 640,019 97.35% 41,252 / 42,375
SafariSafari
 — 1.58% 738 / 46,846 1.85% 3,936 / 212,603 — —
EdgeEdge
 99.97% 140,049 / 140,098 100.0% 1,453 / 1,453 — 100.0% 4,074 / 4,074 98.65% 657 / 666
FirefoxFirefox
 99.95% 51,850 / 51,877 99.86% 7,137 / 7,147 — 1.05% 1 / 95 98.19% 5,701 / 5,806