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Codec: avc1.640833

86.17% Encoder Support
1,853,488 of 2,150,993 sessions supported encoding
99.8% Decoder Support
2,095,583 of 2,099,742 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,993 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 863,942 / 869,227 99.75% 100,915 / 101,163 — 96.48% 627,031 / 649,909 96.19% 42,174 / 43,845
SafariSafari
 — 1.53% 741 / 48,399 1.87% 4,078 / 218,056 — —
EdgeEdge
 99.84% 143,094 / 143,321 99.93% 1,445 / 1,446 — 98.84% 4,104 / 4,152 98.97% 674 / 681
FirefoxFirefox
 95.93% 51,521 / 53,707 99.97% 7,417 / 7,419 — 0.0% 0 / 122 98.55% 5,996 / 6,084

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,742 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 846,447 / 846,637 99.8% 97,228 / 97,427 — 99.64% 637,569 / 639,843 98.33% 41,927 / 42,639
SafariSafari
 — 99.83% 46,938 / 47,017 99.98% 212,396 / 212,448 — —
EdgeEdge
 99.99% 139,449 / 139,459 100.0% 1,411 / 1,411 — 100.0% 4,073 / 4,073 99.11% 668 / 674
FirefoxFirefox
 99.97% 51,925 / 51,938 99.97% 7,169 / 7,171 — 0.0% 0 / 114 98.24% 5,743 / 5,846