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Codec: avc1.42082a

85.45% Encoder Support
53,526 of 62,640 sessions supported encoding
99.94% Decoder Support
11,790 of 11,797 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,640 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.79% 27,455 / 27,514 100.0% 4,276 / 4,276 — 99.71% 12,182 / 12,217 98.5% 1,573 / 1,597
SafariSafari
 — 2.19% 36 / 1,647 1.47% 102 / 6,955 — —
EdgeEdge
 100.0% 5,034 / 5,034 100.0% 41 / 41 — 100.0% 103 / 103 —
FirefoxFirefox
 96.07% 2,103 / 2,189 100.0% 309 / 309 — 0.0% 0 / 12 99.63% 272 / 273

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,797 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,174 / 5,176 100.0% 679 / 679 — 100.0% 2,287 / 2,287 98.9% 359 / 363
SafariSafari
 — 100.0% 252 / 252 100.0% 1,343 / 1,343 — —
EdgeEdge
 100.0% 1,041 / 1,041 — — 100.0% 29 / 29 —
FirefoxFirefox
 100.0% 423 / 423 100.0% 55 / 55 — — 100.0% 51 / 51