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Codec: avc1.4d0832

86.4% Encoder Support
1,856,829 of 2,149,147 sessions supported encoding
99.8% Decoder Support
2,093,846 of 2,098,016 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,147 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,566 / 866,883 99.78% 100,799 / 101,026 — 97.33% 632,918 / 650,250 96.61% 42,283 / 43,768
SafariSafari
 — 1.51% 728 / 48,056 1.85% 4,043 / 218,876 — —
EdgeEdge
 99.86% 143,113 / 143,317 100.0% 1,435 / 1,435 — 99.34% 4,187 / 4,215 98.5% 657 / 667
FirefoxFirefox
 95.83% 51,539 / 53,782 99.95% 7,431 / 7,435 — 0.87% 1 / 115 98.8% 5,760 / 5,830

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,016 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,149 / 844,348 99.81% 97,178 / 97,362 — 99.64% 637,848 / 640,175 98.25% 41,804 / 42,549
SafariSafari
 — 99.86% 46,690 / 46,756 99.98% 213,255 / 213,303 — —
EdgeEdge
 100.0% 139,360 / 139,364 100.0% 1,395 / 1,395 — 100.0% 4,136 / 4,136 99.39% 653 / 657
FirefoxFirefox
 99.97% 51,947 / 51,963 99.94% 7,229 / 7,233 — 0.97% 1 / 103 98.73% 5,522 / 5,593