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Codec: avc1.42080a

3.34% Encoder Support
71,800 of 2,148,310 sessions supported encoding
99.81% Decoder Support
2,092,724 of 2,096,730 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,310 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 245 / 867,936 0.17% 167 / 100,545 — 0.3% 1,954 / 649,477 0.83% 364 / 43,900
SafariSafari
 — 1.6% 765 / 47,940 1.84% 4,021 / 218,571 — —
EdgeEdge
 0.03% 41 / 143,633 0.0% 0 / 1,441 — 0.0% 0 / 4,236 0.15% 1 / 684
FirefoxFirefox
 95.86% 50,860 / 53,059 99.95% 7,324 / 7,328 — 0.0% 0 / 109 97.84% 5,887 / 6,017

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,730 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,972 / 845,162 99.8% 96,621 / 96,813 — 99.66% 637,320 / 639,522 98.42% 42,028 / 42,701
SafariSafari
 — 99.84% 46,499 / 46,575 99.98% 212,731 / 212,775 — —
EdgeEdge
 99.99% 139,634 / 139,642 100.0% 1,404 / 1,404 — 100.0% 4,160 / 4,160 99.11% 668 / 674
FirefoxFirefox
 99.96% 51,256 / 51,274 99.97% 7,097 / 7,099 — 1.05% 1 / 95 98.24% 5,692 / 5,794