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Codec: avc1.42041f

87.23% Encoder Support
279,744 of 320,680 sessions supported encoding
99.93% Decoder Support
269,183 of 269,361 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,680 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.83% 144,147 / 144,394 99.91% 19,705 / 19,723 — 99.8% 63,418 / 63,548 98.9% 7,710 / 7,796
SafariSafari
 — 2.02% 174 / 8,612 1.52% 475 / 31,339 — —
EdgeEdge
 99.99% 30,759 / 30,761 100.0% 361 / 361 — 99.81% 1,031 / 1,033 98.31% 58 / 59
FirefoxFirefox
 96.03% 9,217 / 9,598 100.0% 1,298 / 1,298 — 0.0% 0 / 34 98.93% 1,293 / 1,307

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,361 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,720 / 121,753 99.89% 16,015 / 16,033 — 99.99% 53,643 / 53,649 99.11% 6,538 / 6,597
SafariSafari
 — 99.93% 7,167 / 7,172 99.99% 25,695 / 25,697 — —
EdgeEdge
 100.0% 26,782 / 26,783 100.0% 326 / 326 — 100.0% 949 / 949 97.96% 48 / 49
FirefoxFirefox
 99.97% 7,812 / 7,814 100.0% 1,068 / 1,068 — 0.0% 0 / 27 99.24% 1,046 / 1,054