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Codec: avc1.4d0c3d

86.43% Encoder Support
1,858,325 of 2,150,118 sessions supported encoding
87.45% Decoder Support
1,835,485 of 2,099,011 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,118 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 863,259 / 868,537 99.62% 100,555 / 100,940 — 97.36% 632,115 / 649,227 96.42% 42,643 / 44,228
SafariSafari
 — 1.55% 740 / 47,847 1.88% 4,121 / 218,677 — —
EdgeEdge
 99.86% 143,170 / 143,377 100.0% 1,441 / 1,441 — 99.28% 4,117 / 4,147 98.8% 659 / 667
FirefoxFirefox
 95.9% 51,815 / 54,030 100.0% 7,431 / 7,431 — 0.0% 0 / 112 98.75% 5,924 / 5,999

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,011 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 845,579 / 845,996 99.61% 96,874 / 97,253 — 99.39% 635,468 / 639,399 97.44% 41,984 / 43,088
SafariSafari
 — 1.61% 748 / 46,528 1.89% 4,022 / 212,917 — —
EdgeEdge
 99.97% 139,293 / 139,336 100.0% 1,395 / 1,395 — 100.0% 4,082 / 4,082 99.09% 655 / 661
FirefoxFirefox
 99.94% 52,230 / 52,259 99.92% 7,184 / 7,190 — 0.0% 0 / 103 98.33% 5,660 / 5,756