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Codec: avc1.4d0c0a

3.86% Encoder Support
12,367 of 320,255 sessions supported encoding
99.93% Decoder Support
268,883 of 269,063 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 320,255 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 / 144,214 0.1% 20 / 19,784 — 0.01% 9 / 63,867 0.28% 21 / 7,631
SafariSafari
 — 1.95% 165 / 8,463 1.39% 433 / 31,088 — —
EdgeEdge
 0.0% 1 / 30,865 0.0% 0 / 373 — 0.0% 0 / 969 0.0% 0 / 50
FirefoxFirefox
 96.04% 9,182 / 9,561 100.0% 1,275 / 1,275 — 0.0% 0 / 33 97.84% 1,221 / 1,248

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,063 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,653 / 121,675 99.84% 16,066 / 16,092 — 99.98% 53,828 / 53,841 99.06% 6,399 / 6,460
SafariSafari
 — 99.93% 7,090 / 7,095 99.98% 25,512 / 25,516 — —
EdgeEdge
 100.0% 26,794 / 26,795 100.0% 336 / 336 — 100.0% 894 / 894 97.78% 44 / 45
FirefoxFirefox
 99.99% 7,827 / 7,828 100.0% 1,040 / 1,040 — 0.0% 0 / 26 99.41% 1,014 / 1,020