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Codec: avc1.641033

86.28% Encoder Support
277,149 of 321,237 sessions supported encoding
99.93% Decoder Support
270,091 of 270,268 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,237 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 143,044 / 144,082 99.87% 19,793 / 19,819 — 96.3% 61,531 / 63,893 97.56% 7,594 / 7,784
SafariSafari
 — 2.18% 192 / 8,811 1.48% 459 / 31,055 — —
EdgeEdge
 99.78% 31,102 / 31,172 100.0% 367 / 367 — 98.4% 925 / 940 100.0% 67 / 67
FirefoxFirefox
 96.21% 9,369 / 9,738 100.0% 1,312 / 1,312 — 0.0% 0 / 45 99.08% 1,297 / 1,309

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,268 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,738 / 121,769 99.89% 16,114 / 16,132 — 99.99% 53,860 / 53,866 99.02% 6,481 / 6,545
SafariSafari
 — 99.95% 7,371 / 7,375 99.99% 25,582 / 25,584 — —
EdgeEdge
 100.0% 27,157 / 27,158 100.0% 333 / 333 — 100.0% 874 / 874 100.0% 63 / 63
FirefoxFirefox
 100.0% 7,973 / 7,973 100.0% 1,078 / 1,078 — 0.0% 0 / 35 99.72% 1,061 / 1,064