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Codec: avc1.4d100a

16.3% Encoder Support
52,254 of 320,624 sessions supported encoding
99.93% Decoder Support
269,353 of 269,532 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 320,624 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 15 / 144,538 0.13% 25 / 19,615 — 0.02% 11 / 63,493 0.24% 19 / 7,829
SafariSafari
 — 99.9% 8,685 / 8,694 99.95% 30,993 / 31,007 — —
EdgeEdge
 0.01% 3 / 30,879 0.0% 0 / 379 — 0.0% 0 / 997 0.0% 0 / 66
FirefoxFirefox
 95.45% 9,275 / 9,717 99.92% 1,309 / 1,310 — 0.0% 0 / 36 97.86% 1,233 / 1,260

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,532 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,790 / 121,827 99.91% 15,884 / 15,899 — 99.99% 53,665 / 53,672 99.1% 6,590 / 6,650
SafariSafari
 — 99.92% 7,273 / 7,279 99.99% 25,485 / 25,487 — —
EdgeEdge
 100.0% 26,969 / 26,969 100.0% 339 / 339 — 100.0% 917 / 917 100.0% 59 / 59
FirefoxFirefox
 100.0% 7,873 / 7,873 100.0% 1,081 / 1,081 — 0.0% 0 / 28 99.23% 1,035 / 1,043