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Codec: avc1.640033

98.45% Encoder Support
2,113,588 of 2,146,906 sessions supported encoding
99.81% Decoder Support
2,091,849 of 2,095,934 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 2,146,906 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 861,238 / 866,709 99.77% 100,473 / 100,702 — 96.52% 625,773 / 648,342 96.22% 42,267 / 43,928
SafariSafari
 — 99.76% 47,742 / 47,857 99.98% 218,463 / 218,513 — —
EdgeEdge
 99.85% 143,562 / 143,782 100.0% 1,424 / 1,424 — 98.68% 4,126 / 4,181 99.42% 685 / 689
FirefoxFirefox
 95.87% 51,502 / 53,721 99.95% 7,509 / 7,513 — 1.0% 1 / 100 98.48% 5,954 / 6,046

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,934 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,988 / 844,183 99.81% 96,859 / 97,043 — 99.65% 636,242 / 638,473 98.32% 42,019 / 42,738
SafariSafari
 — 99.83% 46,457 / 46,537 99.98% 212,930 / 212,981 — —
EdgeEdge
 99.99% 139,709 / 139,716 100.0% 1,390 / 1,390 — 100.0% 4,105 / 4,105 99.41% 677 / 681
FirefoxFirefox
 99.96% 51,923 / 51,945 99.94% 7,261 / 7,265 — 1.11% 1 / 90 98.4% 5,713 / 5,806