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Codec: avc1.640832

86.13% Encoder Support
1,850,595 of 2,148,535 sessions supported encoding
99.8% Decoder Support
2,093,112 of 2,097,206 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,535 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.36% 861,544 / 867,068 99.77% 99,965 / 100,196 — 96.5% 626,566 / 649,304 96.38% 42,269 / 43,857
SafariSafari
 — 1.55% 747 / 48,292 1.89% 4,124 / 218,742 — —
EdgeEdge
 99.86% 143,579 / 143,786 100.0% 1,497 / 1,497 — 98.67% 4,236 / 4,293 98.8% 660 / 668
FirefoxFirefox
 96.07% 51,705 / 53,818 99.96% 7,418 / 7,421 — 0.96% 1 / 104 99.03% 5,937 / 5,995

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,206 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,269 / 844,468 99.81% 96,259 / 96,439 — 99.64% 637,114 / 639,395 98.36% 41,970 / 42,669
SafariSafari
 — 99.83% 46,834 / 46,912 99.98% 213,070 / 213,113 — —
EdgeEdge
 100.0% 139,784 / 139,790 100.0% 1,453 / 1,453 — 100.0% 4,207 / 4,207 99.09% 654 / 660
FirefoxFirefox
 99.97% 51,985 / 51,999 99.96% 7,180 / 7,183 — 1.03% 1 / 97 98.44% 5,665 / 5,755