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Codec: avc1.4d0c0d

4.43% Encoder Support
2,790 of 63,031 sessions supported encoding
99.92% Decoder Support
11,834 of 11,843 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,031 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 3 / 27,788 0.09% 4 / 4,422 — 0.04% 5 / 12,181 0.19% 3 / 1,614
SafariSafari
 — 2.34% 38 / 1,623 1.46% 102 / 6,991 — —
EdgeEdge
 0.0% 0 / 5,005 0.0% 0 / 57 — 0.0% 0 / 103 0.0% 0 / 10
FirefoxFirefox
 95.55% 2,038 / 2,133 100.0% 293 / 293 — 0.0% 0 / 12 97.95% 287 / 293

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,843 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,252 / 5,254 100.0% 692 / 692 — 100.0% 2,170 / 2,170 98.75% 394 / 399
SafariSafari
 — 100.0% 256 / 256 100.0% 1,420 / 1,420 — —
EdgeEdge
 100.0% 1,042 / 1,042 100.0% 10 / 10 — 100.0% 28 / 28 —
FirefoxFirefox
 100.0% 384 / 384 100.0% 41 / 41 — — 100.0% 57 / 57