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Codec: avc1.64100a

3.26% Encoder Support
70,108 of 2,147,483 sessions supported encoding
99.8% Decoder Support
2,092,193 of 2,096,297 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,483 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 70 / 867,018 0.12% 120 / 100,861 — 0.02% 113 / 649,117 0.34% 148 / 43,669
SafariSafari
 — 1.58% 760 / 48,004 1.82% 3,960 / 217,989 — —
EdgeEdge
 0.0% 3 / 143,685 0.0% 0 / 1,449 — 0.0% 0 / 4,202 0.3% 2 / 677
FirefoxFirefox
 95.77% 51,447 / 53,720 99.88% 7,513 / 7,522 — 0.0% 0 / 119 97.96% 5,912 / 6,035

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,297 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,256 / 844,457 99.79% 96,886 / 97,091 — 99.65% 636,947 / 639,193 98.37% 41,758 / 42,449
SafariSafari
 — 99.83% 46,555 / 46,636 99.97% 212,364 / 212,418 — —
EdgeEdge
 99.99% 139,653 / 139,660 100.0% 1,410 / 1,410 — 100.0% 4,127 / 4,127 99.4% 668 / 672
FirefoxFirefox
 99.97% 51,908 / 51,925 99.96% 7,290 / 7,293 — 0.89% 1 / 112 98.5% 5,722 / 5,809