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Codec: avc1.640c0c

18.98% Encoder Support
11,961 of 63,029 sessions supported encoding
99.88% Decoder Support
11,987 of 12,002 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,029 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 4 / 27,727 0.07% 3 / 4,337 — 0.02% 3 / 12,082 0.31% 5 / 1,631
SafariSafari
 — 99.94% 1,698 / 1,699 100.0% 7,115 / 7,115 — —
EdgeEdge
 0.0% 0 / 4,978 0.0% 0 / 58 — 0.0% 0 / 105 0.0% 0 / 10
FirefoxFirefox
 95.09% 2,052 / 2,158 99.67% 303 / 304 — 0.0% 0 / 15 97.76% 305 / 312

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,002 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.92% 5,143 / 5,147 100.0% 727 / 727 — 100.0% 2,234 / 2,234 98.05% 402 / 410
SafariSafari
 — 100.0% 301 / 301 100.0% 1,476 / 1,476 — —
EdgeEdge
 100.0% 1,069 / 1,069 — — 100.0% 26 / 26 —
FirefoxFirefox
 100.0% 404 / 404 100.0% 49 / 49 — — 100.0% 67 / 67