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Codec: avc1.64100c

3.25% Encoder Support
69,859 of 2,148,198 sessions supported encoding
99.8% Decoder Support
2,092,708 of 2,096,838 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 2,148,198 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 76 / 867,427 0.12% 124 / 100,658 — 0.02% 127 / 649,226 0.34% 149 / 43,818
SafariSafari
 — 1.48% 713 / 48,133 1.83% 4,005 / 218,442 — —
EdgeEdge
 0.0% 3 / 143,587 0.0% 0 / 1,452 — 0.0% 0 / 4,285 0.14% 1 / 691
FirefoxFirefox
 95.93% 51,409 / 53,590 99.93% 7,361 / 7,366 — 0.0% 0 / 108 97.74% 5,836 / 5,971

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,838 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,622 / 844,828 99.8% 96,799 / 96,992 — 99.64% 636,993 / 639,315 98.33% 41,884 / 42,596
SafariSafari
 — 99.85% 46,683 / 46,755 99.98% 212,710 / 212,749 — —
EdgeEdge
 99.99% 139,516 / 139,523 100.0% 1,405 / 1,405 — 100.0% 4,198 / 4,198 98.98% 678 / 685
FirefoxFirefox
 99.97% 51,786 / 51,800 99.94% 7,143 / 7,147 — 0.99% 1 / 101 98.51% 5,636 / 5,721