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Codec: avc1.4d0c0d

3.26% Encoder Support
70,181 of 2,149,850 sessions supported encoding
99.8% Decoder Support
2,094,534 of 2,098,647 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 2,149,850 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 77 / 868,482 0.1% 104 / 100,811 — 0.03% 179 / 649,591 0.37% 164 / 44,242
SafariSafari
 — 1.48% 712 / 47,978 1.87% 4,069 / 218,035 — —
EdgeEdge
 0.0% 6 / 143,542 0.07% 1 / 1,504 — 0.0% 0 / 4,163 0.29% 2 / 696
FirefoxFirefox
 95.93% 51,485 / 53,667 99.91% 7,475 / 7,482 — 0.0% 0 / 113 97.87% 5,848 / 5,975

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,647 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 845,727 / 845,946 99.81% 96,894 / 97,081 — 99.66% 637,379 / 639,580 98.32% 42,306 / 43,027
SafariSafari
 — 99.82% 46,527 / 46,609 99.98% 212,403 / 212,453 — —
EdgeEdge
 99.99% 139,571 / 139,579 100.0% 1,457 / 1,457 — 100.0% 4,088 / 4,088 99.27% 683 / 688
FirefoxFirefox
 99.97% 51,900 / 51,918 99.96% 7,227 / 7,230 — 0.0% 0 / 103 98.33% 5,643 / 5,739