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Codec: avc1.640832

86.23% Encoder Support
276,211 of 320,313 sessions supported encoding
99.94% Decoder Support
268,812 of 268,984 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 320,313 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 142,402 / 143,484 99.86% 19,815 / 19,842 — 96.33% 61,412 / 63,754 97.36% 7,459 / 7,661
SafariSafari
 — 1.94% 167 / 8,599 1.48% 462 / 31,287 — —
EdgeEdge
 99.83% 30,907 / 30,960 100.0% 370 / 370 — 98.21% 986 / 1,004 100.0% 57 / 57
FirefoxFirefox
 96.41% 9,491 / 9,844 100.0% 1,306 / 1,306 — 0.0% 0 / 30 99.23% 1,283 / 1,293

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,984 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 120,843 / 120,884 99.88% 16,065 / 16,085 — 99.98% 53,836 / 53,845 99.15% 6,418 / 6,473
SafariSafari
 — 99.94% 7,215 / 7,219 99.99% 25,655 / 25,658 — —
EdgeEdge
 100.0% 26,964 / 26,964 100.0% 326 / 326 — 100.0% 918 / 918 100.0% 49 / 49
FirefoxFirefox
 100.0% 8,025 / 8,025 100.0% 1,068 / 1,068 — 0.0% 0 / 23 99.53% 1,048 / 1,053