← Back to Codec Support Table

Codec: avc1.4d0020

98.97% Encoder Support
317,160 of 320,463 sessions supported encoding
99.94% Decoder Support
269,333 of 269,507 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 320,463 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.29% 142,934 / 143,953 99.84% 19,735 / 19,766 — 97.58% 61,983 / 63,518 97.9% 7,653 / 7,817
SafariSafari
 — 99.92% 8,504 / 8,511 99.99% 31,298 / 31,301 — —
EdgeEdge
 99.77% 30,887 / 30,959 100.0% 369 / 369 — 99.07% 954 / 963 100.0% 61 / 61
FirefoxFirefox
 96.1% 9,407 / 9,789 100.0% 1,326 / 1,326 — 0.0% 0 / 38 99.01% 1,299 / 1,312

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,507 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,302 / 121,326 99.89% 16,107 / 16,124 — 99.99% 53,711 / 53,716 98.97% 6,537 / 6,605
SafariSafari
 — 99.92% 7,183 / 7,189 99.99% 25,741 / 25,743 — —
EdgeEdge
 100.0% 26,988 / 26,988 100.0% 332 / 332 — 100.0% 885 / 885 100.0% 56 / 56
FirefoxFirefox
 100.0% 7,992 / 7,992 100.0% 1,080 / 1,080 — 0.0% 0 / 31 99.44% 1,056 / 1,062