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Codec: avc1.4d001f

98.85% Encoder Support
62,610 of 63,341 sessions supported encoding
99.93% Decoder Support
12,005 of 12,013 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 63,341 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.17% 27,603 / 27,834 99.91% 4,373 / 4,377 — 97.24% 12,074 / 12,417 97.99% 1,558 / 1,590
SafariSafari
 — 100.0% 1,585 / 1,585 100.0% 7,043 / 7,043 — —
EdgeEdge
 99.82% 5,081 / 5,090 100.0% 50 / 50 — 100.0% 109 / 109 91.67% 11 / 12
FirefoxFirefox
 95.65% 2,069 / 2,163 100.0% 276 / 276 — 0.0% 0 / 10 99.32% 293 / 295

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,013 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,267 / 5,269 99.85% 674 / 675 — 100.0% 2,269 / 2,269 99.23% 386 / 389
SafariSafari
 — 100.0% 269 / 269 100.0% 1,443 / 1,443 — —
EdgeEdge
 100.0% 1,066 / 1,066 — — 100.0% 29 / 29 —
FirefoxFirefox
 100.0% 399 / 399 100.0% 47 / 47 — — 100.0% 55 / 55