← Back to Codec Support Table

Codec: avc1.4d0420

86.41% Encoder Support
1,858,080 of 2,150,191 sessions supported encoding
99.8% Decoder Support
2,095,066 of 2,099,200 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,191 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,987 / 867,295 99.75% 100,585 / 100,842 — 97.39% 633,981 / 650,978 96.61% 42,264 / 43,749
SafariSafari
 — 1.53% 737 / 48,215 1.83% 4,005 / 218,756 — —
EdgeEdge
 99.86% 143,138 / 143,336 99.93% 1,463 / 1,464 — 99.25% 4,126 / 4,157 99.04% 724 / 731
FirefoxFirefox
 95.79% 51,272 / 53,527 99.99% 7,530 / 7,531 — 0.0% 0 / 116 98.73% 5,903 / 5,979

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,200 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,550 / 844,730 99.8% 96,987 / 97,179 — 99.65% 638,785 / 641,038 98.26% 41,778 / 42,517
SafariSafari
 — 99.83% 46,813 / 46,892 99.98% 213,187 / 213,232 — —
EdgeEdge
 99.99% 139,418 / 139,426 100.0% 1,416 / 1,416 — 100.0% 4,082 / 4,082 99.17% 720 / 726
FirefoxFirefox
 99.97% 51,710 / 51,728 99.97% 7,293 / 7,295 — 0.0% 0 / 106 98.47% 5,663 / 5,751