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Codec: avc1.42080c

3.36% Encoder Support
72,258 of 2,149,354 sessions supported encoding
99.8% Decoder Support
2,094,366 of 2,098,534 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 2,149,354 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 252 / 867,548 0.15% 154 / 100,484 — 0.31% 2,002 / 649,731 0.91% 399 / 43,881
SafariSafari
 — 1.51% 729 / 48,355 1.82% 3,973 / 218,598 — —
EdgeEdge
 0.02% 28 / 144,094 0.06% 1 / 1,542 — 0.0% 0 / 4,167 0.3% 2 / 657
FirefoxFirefox
 96.01% 51,279 / 53,408 99.89% 7,391 / 7,399 — 0.0% 0 / 102 98.11% 5,869 / 5,982

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,534 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 845,148 / 845,364 99.8% 96,593 / 96,785 — 99.64% 637,486 / 639,778 98.33% 41,973 / 42,688
SafariSafari
 — 99.84% 46,911 / 46,985 99.97% 212,813 / 212,871 — —
EdgeEdge
 99.99% 140,127 / 140,137 100.0% 1,495 / 1,495 — 100.0% 4,089 / 4,089 99.07% 641 / 647
FirefoxFirefox
 99.95% 51,660 / 51,686 99.96% 7,177 / 7,180 — 1.02% 1 / 98 98.66% 5,662 / 5,739