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Codec: avc1.4d101f

98.73% Encoder Support
2,121,637 of 2,148,973 sessions supported encoding
99.81% Decoder Support
2,093,816 of 2,097,860 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 2,148,973 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.41% 862,539 / 867,631 99.76% 100,135 / 100,380 — 97.36% 632,771 / 649,928 96.56% 42,382 / 43,891
SafariSafari
 — 99.76% 47,882 / 47,996 99.98% 218,591 / 218,639 — —
EdgeEdge
 99.85% 143,339 / 143,559 100.0% 1,459 / 1,459 — 99.41% 4,202 / 4,227 99.3% 706 / 711
FirefoxFirefox
 95.89% 51,291 / 53,491 99.96% 7,441 / 7,444 — 0.0% 0 / 119 98.81% 5,967 / 6,039

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,860 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,218 / 845,399 99.81% 96,524 / 96,708 — 99.66% 637,740 / 639,936 98.28% 41,913 / 42,648
SafariSafari
 — 99.85% 46,503 / 46,575 99.98% 212,849 / 212,897 — —
EdgeEdge
 99.99% 139,541 / 139,551 100.0% 1,418 / 1,418 — 100.0% 4,143 / 4,143 99.57% 702 / 705
FirefoxFirefox
 99.96% 51,652 / 51,673 99.96% 7,205 / 7,208 — 0.0% 0 / 111 98.5% 5,730 / 5,817