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Codec: avc1.42081f

87.24% Encoder Support
279,215 of 320,040 sessions supported encoding
99.94% Decoder Support
269,119 of 269,291 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 320,040 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.83% 143,237 / 143,485 99.92% 19,666 / 19,682 — 99.75% 63,455 / 63,613 98.92% 7,802 / 7,887
SafariSafari
 — 2.09% 177 / 8,471 1.38% 433 / 31,278 — —
EdgeEdge
 100.0% 30,960 / 30,960 100.0% 379 / 379 — 100.0% 916 / 916 98.46% 64 / 65
FirefoxFirefox
 95.96% 9,319 / 9,711 100.0% 1,349 / 1,349 — 0.0% 0 / 31 99.41% 1,348 / 1,356

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,291 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,152 / 121,188 99.91% 15,975 / 15,990 — 99.99% 53,754 / 53,761 99.04% 6,618 / 6,682
SafariSafari
 — 99.9% 7,095 / 7,102 99.98% 25,638 / 25,642 — —
EdgeEdge
 100.0% 27,032 / 27,032 100.0% 323 / 323 — 100.0% 837 / 837 98.39% 61 / 62
FirefoxFirefox
 100.0% 7,994 / 7,994 100.0% 1,109 / 1,109 — 0.0% 0 / 22 99.56% 1,121 / 1,126