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Codec: avc1.4d041f

86.5% Encoder Support
276,879 of 320,108 sessions supported encoding
99.93% Decoder Support
268,926 of 269,101 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 320,108 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.31% 142,936 / 143,928 99.85% 19,728 / 19,757 — 97.52% 62,046 / 63,626 97.81% 7,600 / 7,770
SafariSafari
 — 1.97% 171 / 8,675 1.52% 474 / 31,213 — —
EdgeEdge
 99.77% 30,619 / 30,689 100.0% 368 / 368 — 98.83% 933 / 944 97.01% 65 / 67
FirefoxFirefox
 96.11% 9,221 / 9,594 100.0% 1,344 / 1,344 — 0.0% 0 / 29 98.84% 1,282 / 1,297

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,101 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,495 / 121,535 99.89% 16,032 / 16,050 — 99.99% 53,665 / 53,673 99.09% 6,435 / 6,494
SafariSafari
 — 99.99% 7,331 / 7,332 100.0% 25,650 / 25,651 — —
EdgeEdge
 100.0% 26,673 / 26,673 100.0% 328 / 328 — 100.0% 871 / 871 98.33% 59 / 60
FirefoxFirefox
 99.99% 7,855 / 7,856 100.0% 1,121 / 1,121 — 0.0% 0 / 23 99.05% 1,042 / 1,052