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Codec: avc1.640020

98.44% Encoder Support
2,112,775 of 2,146,247 sessions supported encoding
99.8% Decoder Support
2,090,927 of 2,095,025 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 2,146,247 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 860,400 / 865,790 99.75% 100,898 / 101,148 — 96.49% 625,797 / 648,571 96.26% 41,872 / 43,499
SafariSafari
 — 99.77% 47,982 / 48,095 99.98% 218,495 / 218,545 — —
EdgeEdge
 99.86% 143,671 / 143,873 100.0% 1,468 / 1,468 — 98.78% 4,130 / 4,181 98.66% 665 / 674
FirefoxFirefox
 95.72% 50,989 / 53,270 99.96% 7,491 / 7,494 — 0.85% 1 / 117 98.72% 5,921 / 5,998

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,025 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,245 / 843,455 99.8% 97,280 / 97,478 — 99.65% 636,259 / 638,466 98.33% 41,615 / 42,322
SafariSafari
 — 99.84% 46,647 / 46,724 99.98% 212,811 / 212,860 — —
EdgeEdge
 99.99% 139,865 / 139,872 100.0% 1,411 / 1,411 — 100.0% 4,105 / 4,105 98.81% 663 / 671
FirefoxFirefox
 99.95% 51,441 / 51,467 99.94% 7,256 / 7,260 — 0.97% 1 / 103 98.23% 5,652 / 5,754