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Codec: avc1.640c14

15.59% Encoder Support
334,944 of 2,148,998 sessions supported encoding
99.8% Decoder Support
2,093,743 of 2,097,903 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 2 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,998 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 71 / 867,271 0.12% 121 / 100,627 — 0.02% 129 / 649,694 0.41% 182 / 44,051
SafariSafari
 — 99.75% 48,625 / 48,749 99.96% 218,519 / 218,596 — —
EdgeEdge
 0.0% 5 / 143,206 0.07% 1 / 1,434 — 0.0% 0 / 4,188 0.3% 2 / 660
FirefoxFirefox
 95.92% 51,181 / 53,360 99.89% 7,520 / 7,528 — 0.0% 0 / 102 98.11% 6,022 / 6,138

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,903 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,551 / 844,750 99.79% 96,759 / 96,965 — 99.65% 637,400 / 639,668 98.28% 42,099 / 42,837
SafariSafari
 — 99.85% 47,239 / 47,312 99.98% 212,987 / 213,040 — —
EdgeEdge
 99.99% 139,265 / 139,272 100.0% 1,383 / 1,383 — 100.0% 4,108 / 4,108 99.08% 646 / 652
FirefoxFirefox
 99.97% 51,611 / 51,625 99.96% 7,298 / 7,301 — 1.05% 1 / 95 98.51% 5,820 / 5,908