← Back to Codec Support Table

Codec: avc1.64143d

84.28% Encoder Support
52,903 of 62,767 sessions supported encoding
85.25% Decoder Support
10,094 of 11,840 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,767 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.18% 27,180 / 27,406 99.84% 4,371 / 4,378 — 96.38% 11,856 / 12,301 97.52% 1,574 / 1,614
SafariSafari
 — 2.87% 48 / 1,675 1.65% 116 / 7,035 — —
EdgeEdge
 99.78% 4,907 / 4,918 98.33% 59 / 60 — 95.28% 101 / 106 —
FirefoxFirefox
 94.99% 2,104 / 2,215 100.0% 284 / 284 — 0.0% 0 / 10 99.23% 258 / 260

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,840 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,135 / 5,137 99.71% 690 / 692 — 99.56% 2,249 / 2,259 99.27% 408 / 411
SafariSafari
 — 2.57% 7 / 272 1.82% 26 / 1,427 — —
EdgeEdge
 100.0% 1,010 / 1,010 100.0% 13 / 13 — 100.0% 38 / 38 —
FirefoxFirefox
 100.0% 420 / 420 100.0% 42 / 42 — — 100.0% 49 / 49