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Codec: avc1.42041f

85.28% Encoder Support
53,943 of 63,257 sessions supported encoding
99.95% Decoder Support
11,957 of 11,963 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 63,257 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.78% 27,833 / 27,894 99.95% 4,391 / 4,393 — 99.77% 12,049 / 12,077 98.81% 1,573 / 1,592
SafariSafari
 — 2.52% 43 / 1,708 1.6% 113 / 7,073 — —
EdgeEdge
 99.98% 5,021 / 5,022 100.0% 43 / 43 — 100.0% 119 / 119 100.0% 15 / 15
FirefoxFirefox
 95.48% 2,112 / 2,212 100.0% 282 / 282 — — 99.68% 316 / 317

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,963 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,256 / 5,257 99.72% 701 / 703 — 100.0% 2,178 / 2,178 99.24% 390 / 393
SafariSafari
 — 100.0% 272 / 272 100.0% 1,448 / 1,448 — —
EdgeEdge
 100.0% 1,044 / 1,044 — — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 428 / 428 100.0% 52 / 52 — — 100.0% 64 / 64