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Codec: avc1.640c1f

98.43% Encoder Support
2,114,553 of 2,148,186 sessions supported encoding
99.8% Decoder Support
2,092,777 of 2,096,975 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,186 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 861,395 / 866,879 99.75% 100,276 / 100,525 — 96.47% 626,101 / 649,026 96.32% 42,270 / 43,886
SafariSafari
 — 99.77% 48,253 / 48,365 99.97% 218,663 / 218,724 — —
EdgeEdge
 99.84% 143,680 / 143,915 100.0% 1,460 / 1,460 — 98.67% 4,075 / 4,130 98.5% 723 / 734
FirefoxFirefox
 95.95% 51,385 / 53,556 99.99% 7,418 / 7,419 — 0.0% 0 / 103 98.61% 5,902 / 5,985

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,975 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,131 / 844,315 99.79% 96,705 / 96,908 — 99.63% 636,859 / 639,199 98.32% 41,973 / 42,689
SafariSafari
 — 99.85% 46,905 / 46,975 99.97% 212,953 / 213,015 — —
EdgeEdge
 99.99% 139,818 / 139,826 100.0% 1,414 / 1,414 — 100.0% 4,044 / 4,044 98.9% 718 / 726
FirefoxFirefox
 99.96% 51,749 / 51,769 99.96% 7,168 / 7,171 — 0.0% 0 / 93 98.39% 5,666 / 5,759