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Codec: avc1.64000a

16.44% Encoder Support
52,760 of 320,828 sessions supported encoding
99.93% Decoder Support
269,554 of 269,738 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,828 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 10 / 144,043 0.09% 17 / 19,743 — 0.01% 9 / 63,548 0.27% 21 / 7,887
SafariSafari
 — 99.9% 8,639 / 8,648 99.94% 31,508 / 31,527 — —
EdgeEdge
 0.01% 2 / 30,925 0.26% 1 / 378 — 0.0% 0 / 968 0.0% 0 / 66
FirefoxFirefox
 95.88% 9,317 / 9,717 100.0% 1,326 / 1,326 — 0.0% 0 / 29 97.7% 1,275 / 1,305

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,738 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,573 / 121,605 99.89% 15,970 / 15,988 — 99.99% 53,461 / 53,469 98.89% 6,593 / 6,667
SafariSafari
 — 99.93% 7,279 / 7,284 99.98% 26,027 / 26,033 — —
EdgeEdge
 100.0% 26,943 / 26,943 100.0% 325 / 325 — 100.0% 887 / 887 100.0% 60 / 60
FirefoxFirefox
 99.99% 7,932 / 7,933 100.0% 1,092 / 1,092 — 0.0% 0 / 21 99.35% 1,062 / 1,069