← Back to Codec Support Table

Codec: avc1.64003d

86.3% Encoder Support
276,941 of 320,905 sessions supported encoding
87.8% Decoder Support
236,885 of 269,809 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 320,905 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 143,405 / 144,450 99.69% 19,828 / 19,889 — 96.31% 61,364 / 63,713 97.0% 7,479 / 7,710
SafariSafari
 — 1.82% 156 / 8,594 1.46% 453 / 31,115 — —
EdgeEdge
 99.78% 30,883 / 30,951 100.0% 368 / 368 — 99.05% 940 / 949 98.41% 62 / 63
FirefoxFirefox
 96.09% 9,289 / 9,667 100.0% 1,304 / 1,304 — 0.0% 0 / 38 99.26% 1,333 / 1,343

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,809 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,874 / 121,933 99.67% 16,139 / 16,192 — 99.83% 53,625 / 53,714 98.49% 6,445 / 6,544
SafariSafari
 — 1.78% 128 / 7,198 1.42% 362 / 25,543 — —
EdgeEdge
 99.97% 26,939 / 26,948 100.0% 322 / 322 — 100.0% 884 / 884 98.11% 52 / 53
FirefoxFirefox
 99.92% 7,860 / 7,866 100.0% 1,095 / 1,095 — 0.0% 0 / 30 99.37% 1,107 / 1,114