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Codec: avc1.4d0c0b

3.92% Encoder Support
12,541 of 320,138 sessions supported encoding
99.94% Decoder Support
268,966 of 269,138 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,138 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 14 / 144,214 0.11% 22 / 19,742 — 0.02% 12 / 63,404 0.32% 25 / 7,735
SafariSafari
 — 1.78% 153 / 8,581 1.56% 486 / 31,152 — —
EdgeEdge
 0.0% 1 / 30,814 0.0% 0 / 376 — 0.0% 0 / 975 0.0% 0 / 61
FirefoxFirefox
 95.87% 9,241 / 9,639 100.0% 1,368 / 1,368 — 0.0% 0 / 26 97.73% 1,205 / 1,233

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,138 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,777 / 121,816 99.92% 16,108 / 16,121 — 99.98% 53,395 / 53,407 99.08% 6,467 / 6,527
SafariSafari
 — 99.94% 7,196 / 7,200 99.98% 25,541 / 25,546 — —
EdgeEdge
 100.0% 26,816 / 26,816 100.0% 331 / 331 — 100.0% 888 / 888 98.21% 55 / 56
FirefoxFirefox
 99.99% 7,872 / 7,873 100.0% 1,127 / 1,127 — 0.0% 0 / 19 99.31% 1,003 / 1,010