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Codec: avc1.4d000b

16.33% Encoder Support
52,401 of 320,877 sessions supported encoding
99.93% Decoder Support
269,472 of 269,654 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 320,877 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 / 144,277 0.09% 17 / 19,728 — 0.02% 11 / 63,698 0.42% 33 / 7,855
SafariSafari
 — 99.87% 8,426 / 8,437 99.96% 31,323 / 31,334 — —
EdgeEdge
 0.01% 2 / 31,012 0.0% 0 / 369 — 0.0% 0 / 988 0.0% 0 / 69
FirefoxFirefox
 96.22% 9,256 / 9,620 100.0% 1,335 / 1,335 — 0.0% 0 / 27 97.66% 1,294 / 1,325

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,654 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,784 / 121,823 99.88% 16,010 / 16,029 — 99.98% 53,628 / 53,638 99.11% 6,607 / 6,666
SafariSafari
 — 99.89% 7,111 / 7,119 99.99% 25,656 / 25,659 — —
EdgeEdge
 100.0% 26,961 / 26,961 100.0% 332 / 332 — 100.0% 912 / 912 100.0% 65 / 65
FirefoxFirefox
 99.99% 7,843 / 7,844 100.0% 1,100 / 1,100 — 0.0% 0 / 22 99.27% 1,085 / 1,093