← Back to Codec Support Table

Codec: avc1.64040b

4.53% Encoder Support
2,837 of 62,603 sessions supported encoding
99.94% Decoder Support
11,738 of 11,745 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 62,603 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 5 / 27,521 0.07% 3 / 4,369 — 0.04% 5 / 12,176 0.19% 3 / 1,609
SafariSafari
 — 2.14% 33 / 1,544 1.61% 112 / 6,965 — —
EdgeEdge
 0.0% 0 / 5,003 0.0% 0 / 56 — 0.0% 0 / 110 0.0% 0 / 11
FirefoxFirefox
 95.45% 2,099 / 2,199 99.63% 266 / 267 — — 99.33% 297 / 299

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,745 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,209 / 5,211 99.85% 652 / 653 — 100.0% 2,213 / 2,213 99.27% 406 / 409
SafariSafari
 — 100.0% 230 / 230 100.0% 1,400 / 1,400 — —
EdgeEdge
 100.0% 1,012 / 1,012 100.0% 13 / 13 — 100.0% 24 / 24 —
FirefoxFirefox
 100.0% 390 / 390 100.0% 45 / 45 — — 100.0% 66 / 66