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Codec: avc1.4d000b

18.8% Encoder Support
11,852 of 63,056 sessions supported encoding
99.93% Decoder Support
11,850 of 11,858 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 63,056 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 7 / 27,604 0.21% 9 / 4,348 — 0.04% 5 / 12,305 0.44% 7 / 1,582
SafariSafari
 — 100.0% 1,570 / 1,570 99.96% 7,120 / 7,123 — —
EdgeEdge
 0.0% 0 / 5,090 0.0% 0 / 46 — 0.0% 0 / 98 —
FirefoxFirefox
 95.28% 2,099 / 2,203 100.0% 290 / 290 — — 99.65% 283 / 284

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,858 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,152 / 5,153 99.85% 648 / 649 — 100.0% 2,245 / 2,245 98.98% 389 / 393
SafariSafari
 — 100.0% 258 / 258 100.0% 1,464 / 1,464 — —
EdgeEdge
 100.0% 1,039 / 1,039 — — 100.0% 22 / 22 —
FirefoxFirefox
 100.0% 427 / 427 100.0% 55 / 55 — — 100.0% 52 / 52