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Codec: avc1.4d0c33

86.43% Encoder Support
1,856,931 of 2,148,588 sessions supported encoding
99.8% Decoder Support
2,093,389 of 2,097,499 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,588 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,548 / 866,873 99.76% 100,252 / 100,490 — 97.35% 632,728 / 649,925 96.59% 42,583 / 44,088
SafariSafari
 — 1.56% 754 / 48,426 1.88% 4,094 / 218,162 — —
EdgeEdge
 99.85% 143,743 / 143,956 100.0% 1,441 / 1,441 — 99.01% 4,190 / 4,232 99.16% 708 / 714
FirefoxFirefox
 96.02% 51,154 / 53,272 99.97% 7,481 / 7,483 — 0.97% 1 / 103 98.91% 5,911 / 5,976

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,499 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,289 / 844,484 99.81% 96,645 / 96,826 — 99.65% 637,810 / 640,026 98.21% 42,123 / 42,891
SafariSafari
 — 99.86% 46,968 / 47,032 99.98% 212,435 / 212,485 — —
EdgeEdge
 99.99% 139,894 / 139,902 100.0% 1,411 / 1,411 — 100.0% 4,159 / 4,159 99.44% 704 / 708
FirefoxFirefox
 99.97% 51,429 / 51,447 99.96% 7,254 / 7,257 — 1.06% 1 / 94 98.33% 5,650 / 5,746