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Codec: avc1.640c0c

16.5% Encoder Support
52,806 of 320,127 sessions supported encoding
99.94% Decoder Support
268,910 of 269,080 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,127 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 17 / 143,843 0.13% 25 / 19,727 — 0.02% 11 / 63,358 0.37% 29 / 7,762
SafariSafari
 — 99.89% 8,769 / 8,779 99.97% 31,325 / 31,333 — —
EdgeEdge
 0.0% 0 / 30,738 0.0% 0 / 382 — 0.0% 0 / 959 0.0% 0 / 56
FirefoxFirefox
 95.9% 9,241 / 9,636 99.93% 1,360 / 1,361 — 0.0% 0 / 38 97.85% 1,319 / 1,348

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,080 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,236 / 121,262 99.89% 16,100 / 16,117 — 99.99% 53,503 / 53,510 99.04% 6,478 / 6,541
SafariSafari
 — 99.92% 7,371 / 7,377 99.99% 25,677 / 25,679 — —
EdgeEdge
 100.0% 26,829 / 26,829 100.0% 333 / 333 — 100.0% 880 / 880 98.08% 51 / 52
FirefoxFirefox
 99.99% 7,881 / 7,882 100.0% 1,106 / 1,106 — 0.0% 0 / 26 99.27% 1,095 / 1,103