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Codec: avc1.64080b

3.99% Encoder Support
12,782 of 320,725 sessions supported encoding
99.93% Decoder Support
269,356 of 269,540 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,725 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 11 / 144,318 0.12% 24 / 19,622 — 0.01% 6 / 63,598 0.45% 35 / 7,752
SafariSafari
 — 1.95% 167 / 8,585 1.36% 424 / 31,241 — —
EdgeEdge
 0.0% 1 / 30,795 0.0% 0 / 357 — 0.0% 0 / 992 0.0% 0 / 69
FirefoxFirefox
 95.66% 9,525 / 9,957 100.0% 1,244 / 1,244 — 0.0% 0 / 41 98.29% 1,325 / 1,348

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,540 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,688 / 121,722 99.87% 15,936 / 15,957 — 99.98% 53,646 / 53,656 99.16% 6,479 / 6,534
SafariSafari
 — 99.9% 7,186 / 7,193 99.98% 25,567 / 25,572 — —
EdgeEdge
 99.99% 26,906 / 26,908 100.0% 311 / 311 — 100.0% 901 / 901 96.61% 57 / 59
FirefoxFirefox
 100.0% 8,153 / 8,153 100.0% 1,034 / 1,034 — 0.0% 0 / 29 99.54% 1,093 / 1,098