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Codec: avc1.4d0c28

86.59% Encoder Support
277,624 of 320,606 sessions supported encoding
99.93% Decoder Support
269,627 of 269,818 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,606 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,293 / 144,349 99.86% 19,896 / 19,924 — 97.64% 61,991 / 63,489 97.85% 7,584 / 7,751
SafariSafari
 — 1.84% 157 / 8,545 1.48% 460 / 31,107 — —
EdgeEdge
 99.8% 30,891 / 30,952 100.0% 360 / 360 — 99.09% 982 / 991 97.18% 69 / 71
FirefoxFirefox
 96.23% 9,216 / 9,577 100.0% 1,299 / 1,299 — 0.0% 0 / 30 98.44% 1,329 / 1,350

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,818 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,847 / 121,887 99.88% 16,184 / 16,203 — 99.99% 53,639 / 53,646 99.07% 6,476 / 6,537
SafariSafari
 — 99.94% 7,193 / 7,197 99.98% 25,596 / 25,601 — —
EdgeEdge
 99.99% 26,989 / 26,991 100.0% 326 / 326 — 100.0% 911 / 911 98.48% 65 / 66
FirefoxFirefox
 100.0% 7,854 / 7,854 100.0% 1,074 / 1,074 — 0.0% 0 / 25 98.99% 1,080 / 1,091