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Codec: avc1.640c15

18.85% Encoder Support
11,931 of 63,301 sessions supported encoding
99.96% Decoder Support
12,041 of 12,046 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,301 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 9 / 27,847 0.07% 3 / 4,359 — 0.02% 2 / 12,271 0.39% 6 / 1,556
SafariSafari
 — 99.76% 1,676 / 1,680 99.99% 7,064 / 7,065 — —
EdgeEdge
 0.0% 0 / 5,031 0.0% 0 / 46 — 0.0% 0 / 113 0.0% 0 / 12
FirefoxFirefox
 95.06% 2,138 / 2,249 99.64% 279 / 280 — — 98.96% 285 / 288

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,046 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,308 / 5,309 99.85% 660 / 661 — 100.0% 2,323 / 2,323 99.46% 366 / 368
SafariSafari
 — 100.0% 267 / 267 100.0% 1,473 / 1,473 — —
EdgeEdge
 100.0% 1,035 / 1,035 — — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 401 / 401 100.0% 40 / 40 — — 100.0% 49 / 49