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Codec: avc1.64140d

3.25% Encoder Support
69,774 of 2,147,389 sessions supported encoding
99.8% Decoder Support
2,092,355 of 2,096,518 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,389 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 68 / 867,582 0.12% 116 / 100,297 — 0.02% 129 / 649,912 0.37% 163 / 43,593
SafariSafari
 — 1.52% 731 / 48,179 1.85% 4,023 / 217,832 — —
EdgeEdge
 0.0% 7 / 143,361 0.07% 1 / 1,467 — 0.0% 0 / 4,189 0.15% 1 / 658
FirefoxFirefox
 95.99% 51,272 / 53,414 99.95% 7,419 / 7,423 — 0.0% 0 / 107 97.95% 5,790 / 5,911

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,518 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,989 / 845,174 99.82% 96,403 / 96,578 — 99.64% 637,766 / 640,072 98.28% 41,663 / 42,390
SafariSafari
 — 99.85% 46,774 / 46,844 99.98% 212,137 / 212,186 — —
EdgeEdge
 99.99% 139,387 / 139,396 100.0% 1,423 / 1,423 — 100.0% 4,108 / 4,108 99.08% 645 / 651
FirefoxFirefox
 99.97% 51,643 / 51,657 99.96% 7,177 / 7,180 — 0.0% 0 / 102 98.31% 5,583 / 5,679