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Codec: avc1.641016

86.2% Encoder Support
276,857 of 321,184 sessions supported encoding
99.93% Decoder Support
269,963 of 270,152 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.2
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,184 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.22% 143,320 / 144,441 99.9% 19,568 / 19,588 — 96.3% 61,104 / 63,453 97.08% 7,658 / 7,888
SafariSafari
 — 2.22% 192 / 8,656 1.36% 427 / 31,313 — —
EdgeEdge
 99.81% 31,061 / 31,119 99.74% 385 / 386 — 98.43% 941 / 956 97.56% 80 / 82
FirefoxFirefox
 96.07% 9,442 / 9,828 100.0% 1,325 / 1,325 — 0.0% 0 / 28 98.74% 1,256 / 1,272

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,152 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,860 / 121,896 99.9% 15,964 / 15,980 — 99.99% 53,519 / 53,524 98.94% 6,611 / 6,682
SafariSafari
 — 99.85% 7,280 / 7,291 99.98% 25,689 / 25,693 — —
EdgeEdge
 100.0% 27,195 / 27,195 100.0% 338 / 338 — 100.0% 889 / 889 97.4% 75 / 77
FirefoxFirefox
 100.0% 8,000 / 8,000 100.0% 1,096 / 1,096 — 0.0% 0 / 21 99.24% 1,044 / 1,052