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Codec: avc1.4d0434

86.44% Encoder Support
1,856,599 of 2,147,795 sessions supported encoding
99.8% Decoder Support
2,092,642 of 2,096,847 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,795 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,504 / 866,809 99.75% 99,908 / 100,161 — 97.38% 633,913 / 650,990 96.52% 42,282 / 43,806
SafariSafari
 — 1.56% 749 / 48,087 1.82% 3,955 / 217,902 — —
EdgeEdge
 99.85% 142,890 / 143,107 100.0% 1,461 / 1,461 — 99.33% 4,294 / 4,323 98.85% 685 / 693
FirefoxFirefox
 95.96% 51,097 / 53,248 99.93% 7,495 / 7,500 — 0.99% 1 / 101 98.8% 5,990 / 6,063

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,847 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,072 / 844,256 99.8% 96,364 / 96,557 — 99.64% 638,777 / 641,098 98.31% 41,901 / 42,623
SafariSafari
 — 99.81% 46,639 / 46,726 99.98% 212,260 / 212,307 — —
EdgeEdge
 99.99% 139,149 / 139,158 100.0% 1,421 / 1,421 — 100.0% 4,235 / 4,235 98.98% 681 / 688
FirefoxFirefox
 99.96% 51,426 / 51,448 99.93% 7,265 / 7,270 — 1.03% 1 / 97 98.34% 5,733 / 5,830