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Codec: avc1.4d0c0c

3.24% Encoder Support
69,666 of 2,148,171 sessions supported encoding
99.8% Decoder Support
2,092,674 of 2,096,808 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,171 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 73 / 867,407 0.13% 127 / 100,775 — 0.03% 171 / 649,116 0.37% 163 / 43,864
SafariSafari
 — 1.53% 742 / 48,551 1.83% 3,986 / 218,280 — —
EdgeEdge
 0.0% 3 / 143,515 0.07% 1 / 1,480 — 0.0% 0 / 4,274 0.15% 1 / 689
FirefoxFirefox
 95.77% 51,183 / 53,443 99.92% 7,298 / 7,304 — 0.0% 0 / 122 98.0% 5,869 / 5,989

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,808 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,621 / 844,805 99.8% 96,814 / 97,009 — 99.64% 636,910 / 639,180 98.28% 41,915 / 42,648
SafariSafari
 — 99.87% 47,067 / 47,128 99.98% 212,593 / 212,635 — —
EdgeEdge
 99.99% 139,473 / 139,485 100.0% 1,434 / 1,434 — 100.0% 4,203 / 4,203 98.53% 671 / 681
FirefoxFirefox
 99.97% 51,685 / 51,702 99.99% 7,063 / 7,064 — 0.89% 1 / 112 98.31% 5,641 / 5,738