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Codec: avc1.42081e

87.36% Encoder Support
1,878,405 of 2,150,143 sessions supported encoding
99.8% Decoder Support
2,094,966 of 2,099,113 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,143 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 867,857 / 868,480 99.8% 100,134 / 100,337 — 99.5% 647,255 / 650,486 98.07% 42,941 / 43,785
SafariSafari
 — 1.54% 742 / 48,050 1.86% 4,050 / 218,166 — —
EdgeEdge
 99.99% 143,214 / 143,226 100.0% 1,473 / 1,473 — 99.86% 4,204 / 4,210 98.87% 698 / 706
FirefoxFirefox
 95.89% 51,848 / 54,073 99.97% 7,484 / 7,486 — 0.0% 0 / 115 98.76% 6,036 / 6,112

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,113 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,885 / 846,092 99.78% 96,469 / 96,677 — 99.65% 638,251 / 640,522 98.3% 41,834 / 42,557
SafariSafari
 — 99.87% 46,583 / 46,644 99.97% 212,534 / 212,588 — —
EdgeEdge
 99.99% 139,241 / 139,252 100.0% 1,426 / 1,426 — 100.0% 4,136 / 4,136 99.14% 690 / 696
FirefoxFirefox
 99.96% 52,256 / 52,275 99.96% 7,246 / 7,249 — 0.0% 0 / 108 98.52% 5,783 / 5,870