← Back to Codec Support Table

Codec: avc1.64140d

3.96% Encoder Support
12,671 of 320,330 sessions supported encoding
99.93% Decoder Support
269,274 of 269,460 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,330 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 15 / 144,024 0.13% 25 / 19,637 — 0.02% 10 / 63,678 0.36% 28 / 7,690
SafariSafari
 — 1.92% 164 / 8,533 1.46% 456 / 31,306 — —
EdgeEdge
 0.01% 2 / 30,865 0.0% 0 / 347 — 0.0% 0 / 1,012 0.0% 0 / 62
FirefoxFirefox
 96.18% 9,320 / 9,690 100.0% 1,354 / 1,354 — 0.0% 0 / 33 98.08% 1,277 / 1,302

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,460 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,582 / 121,616 99.89% 15,901 / 15,918 — 99.99% 53,830 / 53,838 99.08% 6,427 / 6,487
SafariSafari
 — 99.93% 7,193 / 7,198 99.98% 25,654 / 25,660 — —
EdgeEdge
 100.0% 26,900 / 26,900 100.0% 303 / 303 — 100.0% 931 / 931 98.18% 54 / 55
FirefoxFirefox
 99.99% 7,932 / 7,933 100.0% 1,111 / 1,111 — 0.0% 0 / 28 99.35% 1,064 / 1,071