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Codec: avc1.64100b

4.44% Encoder Support
2,800 of 62,998 sessions supported encoding
99.92% Decoder Support
11,908 of 11,917 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,998 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 / 27,707 0.07% 3 / 4,294 — 0.03% 4 / 12,122 0.19% 3 / 1,590
SafariSafari
 — 2.38% 41 / 1,725 1.63% 115 / 7,048 — —
EdgeEdge
 0.0% 0 / 5,102 0.0% 0 / 56 — 0.0% 0 / 114 0.0% 0 / 10
FirefoxFirefox
 95.46% 2,061 / 2,159 100.0% 273 / 273 — 0.0% 0 / 13 97.59% 284 / 291

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,917 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,246 / 5,247 99.85% 670 / 671 — 100.0% 2,229 / 2,229 99.0% 397 / 401
SafariSafari
 — 100.0% 296 / 296 100.0% 1,410 / 1,410 — —
EdgeEdge
 100.0% 1,070 / 1,070 — — 100.0% 29 / 29 —
FirefoxFirefox
 100.0% 378 / 378 100.0% 44 / 44 — — 100.0% 57 / 57