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Codec: avc1.4d103d

86.42% Encoder Support
1,856,692 of 2,148,490 sessions supported encoding
87.43% Decoder Support
1,833,660 of 2,097,386 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 2,148,490 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 862,445 / 867,624 99.65% 100,421 / 100,774 — 97.34% 631,973 / 649,250 96.23% 42,320 / 43,979
SafariSafari
 — 1.55% 747 / 48,056 1.82% 3,978 / 218,326 — —
EdgeEdge
 99.85% 143,584 / 143,805 100.0% 1,441 / 1,441 — 99.41% 4,181 / 4,206 98.17% 644 / 656
FirefoxFirefox
 95.98% 51,233 / 53,378 99.96% 7,403 / 7,406 — 0.96% 1 / 104 98.87% 5,967 / 6,035

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,386 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 844,672 / 845,077 99.65% 96,760 / 97,098 — 99.36% 635,228 / 639,293 97.34% 41,655 / 42,793
SafariSafari
 — 1.61% 753 / 46,705 1.84% 3,904 / 212,746 — —
EdgeEdge
 99.97% 139,736 / 139,773 100.0% 1,403 / 1,403 — 100.0% 4,132 / 4,132 98.92% 644 / 651
FirefoxFirefox
 99.96% 51,577 / 51,599 99.87% 7,164 / 7,173 — 1.04% 1 / 96 98.12% 5,702 / 5,811