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Codec: avc1.64100a

3.93% Encoder Support
12,591 of 320,549 sessions supported encoding
99.94% Decoder Support
269,195 of 269,364 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 320,549 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 18 / 144,186 0.14% 27 / 19,688 — 0.01% 5 / 63,699 0.39% 30 / 7,750
SafariSafari
 — 1.99% 171 / 8,596 1.37% 428 / 31,298 — —
EdgeEdge
 0.0% 0 / 30,822 0.0% 0 / 355 — 0.0% 0 / 970 0.0% 0 / 52
FirefoxFirefox
 95.71% 9,304 / 9,721 99.92% 1,322 / 1,323 — 0.0% 0 / 29 97.76% 1,265 / 1,294

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,364 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,596 / 121,625 99.87% 15,897 / 15,918 — 99.98% 53,766 / 53,775 99.11% 6,472 / 6,530
SafariSafari
 — 99.96% 7,226 / 7,229 99.98% 25,723 / 25,727 — —
EdgeEdge
 100.0% 26,796 / 26,797 100.0% 316 / 316 — 100.0% 895 / 895 97.87% 46 / 47
FirefoxFirefox
 99.99% 7,925 / 7,926 100.0% 1,094 / 1,094 — 0.0% 0 / 22 99.06% 1,058 / 1,068