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Codec: avc1.640c2a

98.66% Encoder Support
62,212 of 63,060 sessions supported encoding
99.92% Decoder Support
11,747 of 11,756 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,060 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.24% 27,661 / 27,872 99.95% 4,381 / 4,383 — 96.25% 11,680 / 12,135 97.36% 1,513 / 1,554
SafariSafari
 — 100.0% 1,694 / 1,694 100.0% 7,030 / 7,030 — —
EdgeEdge
 99.78% 5,013 / 5,024 100.0% 45 / 45 — 98.1% 103 / 105 100.0% 13 / 13
FirefoxFirefox
 95.2% 2,062 / 2,166 100.0% 262 / 262 — 0.0% 0 / 11 99.33% 295 / 297

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,756 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,183 / 5,185 99.7% 656 / 658 — 100.0% 2,230 / 2,230 99.24% 391 / 394
SafariSafari
 — 100.0% 272 / 272 100.0% 1,383 / 1,383 — —
EdgeEdge
 100.0% 1,020 / 1,020 — — 100.0% 26 / 26 —
FirefoxFirefox
 100.0% 396 / 396 100.0% 46 / 46 — — 100.0% 57 / 57