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Codec: avc1.4d100a

15.54% Encoder Support
334,156 of 2,150,400 sessions supported encoding
99.8% Decoder Support
2,095,187 of 2,099,307 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,400 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 75 / 867,640 0.12% 118 / 100,502 — 0.03% 194 / 651,326 0.33% 143 / 43,976
SafariSafari
 — 99.77% 48,181 / 48,291 99.97% 218,205 / 218,279 — —
EdgeEdge
 0.01% 8 / 143,328 0.07% 1 / 1,501 — 0.0% 0 / 4,250 0.29% 2 / 690
FirefoxFirefox
 95.66% 51,331 / 53,662 99.92% 7,347 / 7,353 — 0.0% 0 / 100 98.11% 5,874 / 5,987

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,307 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,738 / 844,929 99.81% 96,601 / 96,786 — 99.65% 639,233 / 641,505 98.26% 42,052 / 42,797
SafariSafari
 — 99.85% 46,806 / 46,876 99.98% 212,714 / 212,759 — —
EdgeEdge
 100.0% 139,412 / 139,418 100.0% 1,461 / 1,461 — 100.0% 4,170 / 4,170 99.56% 680 / 683
FirefoxFirefox
 99.97% 51,800 / 51,818 99.97% 7,122 / 7,124 — 1.09% 1 / 92 98.54% 5,685 / 5,769