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Codec: avc1.641028

86.33% Encoder Support
276,446 of 320,218 sessions supported encoding
99.93% Decoder Support
268,989 of 269,172 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,218 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,054 / 144,105 99.88% 19,661 / 19,684 — 96.39% 61,596 / 63,904 97.44% 7,540 / 7,738
SafariSafari
 — 1.89% 162 / 8,581 1.44% 447 / 31,029 — —
EdgeEdge
 99.82% 30,707 / 30,761 100.0% 373 / 373 — 98.6% 914 / 927 100.0% 63 / 63
FirefoxFirefox
 96.12% 9,247 / 9,620 100.0% 1,296 / 1,296 — 0.0% 0 / 39 98.77% 1,280 / 1,296

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,172 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,511 / 121,539 99.89% 16,014 / 16,031 — 99.98% 54,050 / 54,063 99.01% 6,487 / 6,552
SafariSafari
 — 99.89% 7,177 / 7,185 99.98% 25,391 / 25,396 — —
EdgeEdge
 100.0% 26,773 / 26,773 100.0% 336 / 336 — 100.0% 855 / 855 100.0% 58 / 58
FirefoxFirefox
 100.0% 7,845 / 7,845 100.0% 1,069 / 1,069 — 0.0% 0 / 28 99.44% 1,061 / 1,067