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Codec: avc1.64001f

98.58% Encoder Support
61,930 of 62,824 sessions supported encoding
99.92% Decoder Support
11,982 of 11,992 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,824 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.2% 27,520 / 27,743 99.84% 4,290 / 4,297 — 96.03% 11,592 / 12,071 97.15% 1,566 / 1,612
SafariSafari
 — 100.0% 1,653 / 1,653 100.0% 7,002 / 7,002 — —
EdgeEdge
 99.74% 5,009 / 5,022 100.0% 57 / 57 — 97.3% 108 / 111 —
FirefoxFirefox
 95.17% 2,068 / 2,173 100.0% 263 / 263 — — 99.02% 304 / 307

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,992 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,312 / 5,312 99.54% 653 / 656 — 100.0% 2,247 / 2,247 98.78% 404 / 409
SafariSafari
 — 100.0% 291 / 291 100.0% 1,403 / 1,403 — —
EdgeEdge
 100.0% 1,055 / 1,055 100.0% 12 / 12 — 100.0% 28 / 28 —
FirefoxFirefox
 100.0% 404 / 404 100.0% 45 / 45 — — 100.0% 55 / 55