← Back to Codec Support Table

Codec: avc1.4d0c3c

86.4% Encoder Support
1,857,683 of 2,150,132 sessions supported encoding
87.41% Decoder Support
1,834,672 of 2,098,985 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,132 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 862,081 / 867,328 99.64% 100,438 / 100,801 — 97.34% 632,577 / 649,857 96.38% 42,014 / 43,594
SafariSafari
 — 1.53% 739 / 48,378 1.84% 4,032 / 218,655 — —
EdgeEdge
 99.84% 143,883 / 144,115 99.93% 1,431 / 1,432 — 99.29% 4,213 / 4,243 99.11% 669 / 675
FirefoxFirefox
 95.94% 51,726 / 53,914 100.0% 7,526 / 7,526 — 0.78% 1 / 128 99.01% 6,011 / 6,071

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,985 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 844,328 / 844,725 99.64% 96,682 / 97,027 — 99.35% 635,839 / 639,969 97.33% 41,285 / 42,416
SafariSafari
 — 1.58% 742 / 47,034 1.86% 3,956 / 212,985 — —
EdgeEdge
 99.97% 140,143 / 140,187 99.93% 1,396 / 1,397 — 100.0% 4,166 / 4,166 99.11% 665 / 671
FirefoxFirefox
 99.94% 52,130 / 52,160 99.88% 7,288 / 7,297 — 0.84% 1 / 119 98.18% 5,729 / 5,835