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Codec: avc1.64000a

15.57% Encoder Support
334,288 of 2,147,642 sessions supported encoding
99.8% Decoder Support
2,092,433 of 2,096,552 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 2,147,642 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 64 / 865,666 0.11% 110 / 100,513 — 0.02% 123 / 650,062 0.33% 145 / 43,883
SafariSafari
 — 99.76% 48,104 / 48,221 99.96% 218,569 / 218,647 — —
EdgeEdge
 0.01% 9 / 143,755 0.07% 1 / 1,502 — 0.0% 0 / 4,268 0.29% 2 / 683
FirefoxFirefox
 95.8% 51,271 / 53,516 99.88% 7,357 / 7,366 — 0.0% 0 / 107 97.94% 5,934 / 6,059

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,552 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,030 / 843,228 99.79% 96,558 / 96,758 — 99.65% 637,713 / 639,983 98.35% 41,960 / 42,663
SafariSafari
 — 99.85% 46,785 / 46,857 99.98% 213,100 / 213,153 — —
EdgeEdge
 99.99% 139,763 / 139,773 100.0% 1,449 / 1,449 — 100.0% 4,187 / 4,187 99.26% 672 / 677
FirefoxFirefox
 99.96% 51,713 / 51,732 99.97% 7,130 / 7,132 — 0.0% 0 / 99 98.57% 5,740 / 5,823