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Codec: avc1.420c3e

87.23% Encoder Support
280,330 of 321,372 sessions supported encoding
87.8% Decoder Support
236,811 of 269,706 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,372 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.81% 144,045 / 144,314 99.76% 19,975 / 20,023 — 99.67% 63,642 / 63,850 98.28% 7,661 / 7,795
SafariSafari
 — 1.89% 164 / 8,679 1.52% 473 / 31,207 — —
EdgeEdge
 99.95% 31,127 / 31,142 100.0% 355 / 355 — 99.47% 930 / 935 100.0% 73 / 73
FirefoxFirefox
 96.04% 9,260 / 9,642 100.0% 1,273 / 1,273 — 0.0% 0 / 30 98.98% 1,259 / 1,272

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,706 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,705 / 121,766 99.74% 16,219 / 16,261 — 99.84% 53,659 / 53,743 98.39% 6,428 / 6,533
SafariSafari
 — 1.96% 142 / 7,237 1.5% 382 / 25,514 — —
EdgeEdge
 99.94% 27,047 / 27,062 100.0% 319 / 319 — 100.0% 850 / 850 100.0% 65 / 65
FirefoxFirefox
 99.95% 7,875 / 7,879 99.9% 1,027 / 1,028 — 0.0% 0 / 19 99.13% 1,028 / 1,037