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Codec: avc1.640c0b

16.43% Encoder Support
52,566 of 319,952 sessions supported encoding
99.93% Decoder Support
268,614 of 268,792 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 319,952 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 16 / 143,754 0.12% 23 / 19,610 — 0.02% 12 / 63,544 0.25% 19 / 7,677
SafariSafari
 — 99.83% 8,599 / 8,614 99.96% 31,299 / 31,310 — —
EdgeEdge
 0.0% 1 / 30,884 0.0% 0 / 353 — 0.0% 0 / 998 0.0% 0 / 62
FirefoxFirefox
 95.95% 9,244 / 9,634 100.0% 1,353 / 1,353 — 0.0% 0 / 39 98.54% 1,281 / 1,300

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,792 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,172 / 121,197 99.87% 15,933 / 15,954 — 99.98% 53,521 / 53,533 99.02% 6,447 / 6,511
SafariSafari
 — 99.89% 7,226 / 7,234 99.99% 25,647 / 25,649 — —
EdgeEdge
 100.0% 26,956 / 26,956 100.0% 305 / 305 — 100.0% 923 / 923 100.0% 59 / 59
FirefoxFirefox
 100.0% 7,895 / 7,895 100.0% 1,126 / 1,126 — 0.0% 0 / 29 99.42% 1,030 / 1,036