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Codec: avc1.4d0c0b

3.25% Encoder Support
69,813 of 2,149,846 sessions supported encoding
99.8% Decoder Support
2,094,671 of 2,098,845 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,846 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 82 / 868,260 0.1% 103 / 100,893 — 0.03% 180 / 649,948 0.37% 161 / 43,827
SafariSafari
 — 1.44% 700 / 48,455 1.85% 4,033 / 218,051 — —
EdgeEdge
 0.0% 2 / 143,489 0.0% 0 / 1,470 — 0.0% 0 / 4,327 0.0% 0 / 663
FirefoxFirefox
 95.87% 51,227 / 53,432 99.89% 7,524 / 7,532 — 0.0% 0 / 121 97.77% 5,746 / 5,877

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,845 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,665 / 845,862 99.83% 97,103 / 97,272 — 99.64% 637,623 / 639,951 98.25% 41,873 / 42,619
SafariSafari
 — 99.86% 47,009 / 47,073 99.98% 212,393 / 212,445 — —
EdgeEdge
 100.0% 139,486 / 139,491 100.0% 1,425 / 1,425 — 100.0% 4,240 / 4,240 98.63% 649 / 658
FirefoxFirefox
 99.97% 51,649 / 51,666 99.96% 7,288 / 7,291 — 0.0% 0 / 114 98.5% 5,569 / 5,654