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Codec: avc1.420814

3.37% Encoder Support
72,243 of 2,145,808 sessions supported encoding
99.8% Decoder Support
2,090,699 of 2,094,794 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 2 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,145,808 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 274 / 866,365 0.17% 173 / 101,016 — 0.3% 1,915 / 648,789 0.91% 397 / 43,832
SafariSafari
 — 1.5% 723 / 48,222 1.82% 3,964 / 217,392 — —
EdgeEdge
 0.03% 41 / 143,441 0.0% 0 / 1,461 — 0.0% 0 / 4,210 0.3% 2 / 674
FirefoxFirefox
 95.97% 51,213 / 53,366 99.86% 7,397 / 7,407 — 0.0% 0 / 105 98.05% 5,972 / 6,091

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,094,794 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,667 / 843,865 99.82% 97,150 / 97,324 — 99.65% 636,674 / 638,924 98.36% 41,885 / 42,584
SafariSafari
 — 99.84% 46,779 / 46,854 99.98% 211,841 / 211,886 — —
EdgeEdge
 99.99% 139,385 / 139,396 100.0% 1,418 / 1,418 — 100.0% 4,123 / 4,123 98.95% 661 / 668
FirefoxFirefox
 99.95% 51,602 / 51,626 99.97% 7,148 / 7,150 — 1.02% 1 / 98 98.4% 5,771 / 5,865