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Codec: avc1.42000c

18.77% Encoder Support
11,868 of 63,242 sessions supported encoding
99.9% Decoder Support
11,937 of 11,949 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,242 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 6 / 27,842 0.09% 4 / 4,410 — 0.2% 25 / 12,285 0.59% 9 / 1,523
SafariSafari
 — 99.7% 1,655 / 1,660 99.99% 7,051 / 7,052 — —
EdgeEdge
 0.0% 0 / 5,016 1.89% 1 / 53 — 0.0% 0 / 103 —
FirefoxFirefox
 94.09% 2,101 / 2,233 100.0% 266 / 266 — 0.0% 0 / 11 98.6% 282 / 286

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,949 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,272 / 5,274 99.56% 672 / 675 — 100.0% 2,243 / 2,243 98.71% 384 / 389
SafariSafari
 — 100.0% 275 / 275 100.0% 1,450 / 1,450 — —
EdgeEdge
 100.0% 1,007 / 1,007 — — 100.0% 28 / 28 —
FirefoxFirefox
 100.0% 423 / 423 100.0% 42 / 42 — — 100.0% 60 / 60