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Codec: avc1.4d041f

84.74% Encoder Support
53,341 of 62,946 sessions supported encoding
99.95% Decoder Support
11,961 of 11,967 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,946 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.21% 27,278 / 27,494 99.91% 4,364 / 4,368 — 97.53% 12,041 / 12,346 98.14% 1,637 / 1,668
SafariSafari
 — 2.84% 46 / 1,622 1.71% 120 / 6,998 — —
EdgeEdge
 99.82% 5,038 / 5,047 100.0% 47 / 47 — 97.98% 97 / 99 90.0% 9 / 10
FirefoxFirefox
 95.17% 2,050 / 2,154 100.0% 276 / 276 — — 99.0% 297 / 300

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,967 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,102 / 5,104 99.85% 660 / 661 — 100.0% 2,393 / 2,393 99.49% 390 / 392
SafariSafari
 — 100.0% 285 / 285 100.0% 1,455 / 1,455 — —
EdgeEdge
 100.0% 1,031 / 1,031 — — 100.0% 26 / 26 —
FirefoxFirefox
 100.0% 416 / 416 100.0% 53 / 53 — — 100.0% 55 / 55