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Codec: avc1.4d0c20

86.58% Encoder Support
277,513 of 320,543 sessions supported encoding
99.93% Decoder Support
269,338 of 269,519 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 320,543 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 142,923 / 143,953 99.87% 19,686 / 19,711 — 97.54% 62,380 / 63,952 97.91% 7,673 / 7,837
SafariSafari
 — 2.18% 186 / 8,550 1.52% 473 / 31,135 — —
EdgeEdge
 99.81% 30,674 / 30,731 100.0% 370 / 370 — 99.29% 978 / 985 98.46% 64 / 65
FirefoxFirefox
 96.07% 9,411 / 9,796 100.0% 1,310 / 1,310 — 0.0% 0 / 34 99.01% 1,299 / 1,312

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,519 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,445 / 121,486 99.88% 16,022 / 16,042 — 99.99% 53,886 / 53,892 99.09% 6,608 / 6,669
SafariSafari
 — 99.97% 7,235 / 7,237 99.98% 25,517 / 25,521 — —
EdgeEdge
 100.0% 26,773 / 26,773 100.0% 342 / 342 — 100.0% 906 / 906 100.0% 58 / 58
FirefoxFirefox
 100.0% 8,003 / 8,003 100.0% 1,097 / 1,097 — 0.0% 0 / 23 99.45% 1,089 / 1,095