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Codec: avc1.4d0820

86.54% Encoder Support
277,183 of 320,313 sessions supported encoding
99.93% Decoder Support
268,991 of 269,172 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 320,313 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 142,693 / 143,735 99.87% 19,912 / 19,937 — 97.53% 62,156 / 63,729 97.79% 7,510 / 7,680
SafariSafari
 — 2.13% 181 / 8,516 1.44% 450 / 31,259 — —
EdgeEdge
 99.83% 30,815 / 30,869 100.0% 376 / 376 — 99.27% 951 / 958 100.0% 70 / 70
FirefoxFirefox
 96.16% 9,388 / 9,763 100.0% 1,339 / 1,339 — 0.0% 0 / 32 98.28% 1,259 / 1,281

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,172 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,149 / 121,178 99.9% 16,267 / 16,283 — 99.98% 53,709 / 53,718 99.03% 6,453 / 6,516
SafariSafari
 — 99.92% 7,109 / 7,115 99.98% 25,744 / 25,748 — —
EdgeEdge
 99.99% 26,869 / 26,871 100.0% 328 / 328 — 100.0% 878 / 878 100.0% 62 / 62
FirefoxFirefox
 100.0% 7,930 / 7,930 100.0% 1,096 / 1,096 — 0.0% 0 / 23 98.94% 1,028 / 1,039