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Codec: avc1.64143c

86.17% Encoder Support
1,852,301 of 2,149,482 sessions supported encoding
87.45% Decoder Support
1,835,019 of 2,098,392 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,482 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 862,008 / 867,482 99.62% 100,708 / 101,091 — 96.52% 627,557 / 650,167 95.85% 41,941 / 43,759
SafariSafari
 — 1.54% 736 / 47,914 1.83% 3,997 / 217,945 — —
EdgeEdge
 99.85% 143,718 / 143,934 100.0% 1,472 / 1,472 — 98.7% 4,266 / 4,322 98.85% 686 / 694
FirefoxFirefox
 96.01% 51,535 / 53,678 100.0% 7,321 / 7,321 — 0.87% 1 / 115 98.82% 6,006 / 6,078

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,392 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 844,661 / 845,028 99.62% 97,060 / 97,433 — 99.36% 636,090 / 640,219 97.32% 41,408 / 42,549
SafariSafari
 — 1.59% 741 / 46,572 1.84% 3,916 / 212,395 — —
EdgeEdge
 99.98% 139,817 / 139,849 100.0% 1,423 / 1,423 — 100.0% 4,248 / 4,248 99.13% 681 / 687
FirefoxFirefox
 99.93% 51,815 / 51,853 99.8% 7,085 / 7,099 — 0.93% 1 / 107 98.37% 5,744 / 5,839