← Back to Codec Support Table

Codec: avc1.64100c

3.92% Encoder Support
12,570 of 320,845 sessions supported encoding
99.93% Decoder Support
269,298 of 269,486 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 320,845 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 14 / 144,155 0.12% 24 / 19,630 — 0.01% 9 / 63,571 0.28% 22 / 7,762
SafariSafari
 — 1.91% 165 / 8,653 1.3% 409 / 31,465 — —
EdgeEdge
 0.0% 0 / 31,021 0.0% 0 / 373 — 0.0% 0 / 1,013 0.0% 0 / 58
FirefoxFirefox
 96.07% 9,355 / 9,738 100.0% 1,307 / 1,307 — 0.0% 0 / 37 98.5% 1,246 / 1,265

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,486 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,522 / 121,556 99.89% 15,946 / 15,964 — 99.98% 53,647 / 53,660 99.04% 6,477 / 6,540
SafariSafari
 — 99.92% 7,270 / 7,276 99.99% 25,770 / 25,772 — —
EdgeEdge
 100.0% 26,956 / 26,957 100.0% 326 / 326 — 100.0% 926 / 926 100.0% 52 / 52
FirefoxFirefox
 100.0% 7,948 / 7,948 100.0% 1,088 / 1,088 — 0.0% 0 / 30 99.51% 1,010 / 1,015