← Back to Codec Support Table

Codec: avc1.64140b

3.91% Encoder Support
12,532 of 320,790 sessions supported encoding
99.94% Decoder Support
269,392 of 269,566 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 320,790 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 / 144,300 0.13% 26 / 19,780 — 0.01% 9 / 63,674 0.32% 25 / 7,760
SafariSafari
 — 1.97% 172 / 8,725 1.45% 452 / 31,128 — —
EdgeEdge
 0.0% 0 / 30,986 0.0% 0 / 361 — 0.0% 0 / 970 0.0% 0 / 55
FirefoxFirefox
 96.11% 9,275 / 9,650 100.0% 1,334 / 1,334 — 0.0% 0 / 35 98.21% 1,207 / 1,229

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,566 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,477 / 121,510 99.9% 16,148 / 16,164 — 99.98% 53,725 / 53,737 99.14% 6,450 / 6,506
SafariSafari
 — 99.88% 7,305 / 7,314 100.0% 25,612 / 25,613 — —
EdgeEdge
 100.0% 27,022 / 27,022 100.0% 321 / 321 — 100.0% 903 / 903 100.0% 48 / 48
FirefoxFirefox
 99.97% 7,880 / 7,882 100.0% 1,116 / 1,116 — 0.0% 0 / 27 99.41% 1,013 / 1,019