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Codec: avc1.640c2a

98.67% Encoder Support
316,547 of 320,808 sessions supported encoding
99.93% Decoder Support
269,283 of 269,471 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,808 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,496 / 144,565 99.89% 19,742 / 19,763 — 96.3% 61,300 / 63,653 97.18% 7,622 / 7,843
SafariSafari
 — 99.94% 8,552 / 8,557 99.99% 31,003 / 31,006 — —
EdgeEdge
 99.74% 30,713 / 30,794 100.0% 386 / 386 — 98.1% 931 / 949 100.0% 81 / 81
FirefoxFirefox
 95.98% 9,394 / 9,787 100.0% 1,272 / 1,272 — 0.0% 0 / 37 98.77% 1,287 / 1,303

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,471 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,845 / 121,875 99.88% 16,019 / 16,038 — 99.99% 53,740 / 53,748 99.0% 6,616 / 6,683
SafariSafari
 — 99.93% 7,122 / 7,127 99.99% 25,334 / 25,337 — —
EdgeEdge
 100.0% 26,789 / 26,790 100.0% 349 / 349 — 100.0% 870 / 870 100.0% 72 / 72
FirefoxFirefox
 99.99% 8,016 / 8,017 100.0% 1,056 / 1,056 — 0.0% 0 / 27 99.25% 1,055 / 1,063