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Codec: avc1.4d000d

18.59% Encoder Support
11,724 of 63,057 sessions supported encoding
99.94% Decoder Support
11,867 of 11,874 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 63,057 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 9 / 27,678 0.07% 3 / 4,374 — 0.02% 3 / 12,370 0.25% 4 / 1,612
SafariSafari
 — 99.82% 1,646 / 1,649 99.97% 7,008 / 7,010 — —
EdgeEdge
 0.0% 0 / 4,997 0.0% 0 / 52 — 0.0% 0 / 106 —
FirefoxFirefox
 95.08% 2,087 / 2,195 100.0% 249 / 249 — — 98.18% 269 / 274

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,874 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 5,184 / 5,187 100.0% 695 / 695 — 100.0% 2,234 / 2,234 99.5% 397 / 399
SafariSafari
 — 100.0% 279 / 279 100.0% 1,447 / 1,447 — —
EdgeEdge
 100.0% 1,021 / 1,021 100.0% 10 / 10 — 100.0% 25 / 25 —
FirefoxFirefox
 100.0% 408 / 408 100.0% 43 / 43 — — 100.0% 50 / 50