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Codec: avc1.641028

86.16% Encoder Support
1,851,501 of 2,148,943 sessions supported encoding
99.8% Decoder Support
2,093,771 of 2,097,896 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,943 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 862,372 / 867,803 99.77% 100,326 / 100,554 — 96.52% 627,564 / 650,185 96.33% 42,178 / 43,787
SafariSafari
 — 1.59% 765 / 48,218 1.86% 4,068 / 218,412 — —
EdgeEdge
 99.86% 142,684 / 142,891 100.0% 1,474 / 1,474 — 98.93% 4,142 / 4,187 98.55% 681 / 691
FirefoxFirefox
 95.94% 51,421 / 53,598 99.92% 7,434 / 7,440 — 0.9% 1 / 111 98.77% 6,044 / 6,119

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,896 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,047 / 845,237 99.82% 96,724 / 96,901 — 99.64% 638,054 / 640,344 98.36% 41,903 / 42,601
SafariSafari
 — 99.82% 46,736 / 46,822 99.98% 212,727 / 212,779 — —
EdgeEdge
 99.99% 138,892 / 138,903 100.0% 1,437 / 1,437 — 100.0% 4,115 / 4,115 98.69% 677 / 686
FirefoxFirefox
 99.96% 51,802 / 51,823 99.92% 7,207 / 7,213 — 1.0% 1 / 100 98.4% 5,795 / 5,889