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Codec: avc1.641015

3.25% Encoder Support
69,706 of 2,147,181 sessions supported encoding
99.81% Decoder Support
2,092,348 of 2,096,407 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,181 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 69 / 867,288 0.12% 120 / 100,494 — 0.02% 138 / 649,080 0.36% 156 / 43,871
SafariSafari
 — 1.51% 727 / 48,044 1.86% 4,049 / 217,530 — —
EdgeEdge
 0.0% 7 / 144,094 0.0% 0 / 1,442 — 0.0% 0 / 4,297 0.0% 0 / 683
FirefoxFirefox
 95.87% 51,177 / 53,381 99.86% 7,363 / 7,373 — 0.0% 0 / 127 97.92% 5,840 / 5,964

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,407 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,783 / 844,977 99.82% 96,673 / 96,851 — 99.65% 636,868 / 639,126 98.36% 41,998 / 42,699
SafariSafari
 — 99.85% 46,592 / 46,664 99.98% 211,923 / 211,968 — —
EdgeEdge
 99.99% 140,022 / 140,030 100.0% 1,404 / 1,404 — 100.0% 4,218 / 4,218 99.26% 671 / 676
FirefoxFirefox
 99.97% 51,677 / 51,693 99.99% 7,144 / 7,145 — 0.0% 0 / 119 98.4% 5,645 / 5,737