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Codec: avc1.641415

3.99% Encoder Support
12,814 of 321,005 sessions supported encoding
99.94% Decoder Support
269,705 of 269,873 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,005 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 12 / 143,921 0.13% 25 / 19,884 — 0.01% 6 / 63,775 0.21% 17 / 8,012
SafariSafari
 — 1.86% 159 / 8,565 1.51% 469 / 31,147 — —
EdgeEdge
 0.01% 2 / 31,013 0.0% 0 / 377 — 0.0% 0 / 965 0.0% 0 / 64
FirefoxFirefox
 96.44% 9,461 / 9,810 100.0% 1,331 / 1,331 — 0.0% 0 / 24 98.28% 1,313 / 1,336

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,873 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,394 / 121,422 99.88% 16,106 / 16,126 — 99.98% 53,857 / 53,866 99.13% 6,729 / 6,788
SafariSafari
 — 99.93% 7,182 / 7,187 99.99% 25,595 / 25,597 — —
EdgeEdge
 100.0% 27,055 / 27,055 100.0% 326 / 326 — 100.0% 892 / 892 100.0% 56 / 56
FirefoxFirefox
 100.0% 7,999 / 7,999 100.0% 1,083 / 1,083 — 0.0% 0 / 19 99.0% 1,086 / 1,097