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Codec: avc1.640c0b

18.85% Encoder Support
11,898 of 63,121 sessions supported encoding
99.93% Decoder Support
11,966 of 11,974 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 63,121 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 6 / 27,787 0.05% 2 / 4,316 — 0.04% 5 / 12,306 0.19% 3 / 1,559
SafariSafari
 — 99.76% 1,659 / 1,663 99.99% 7,103 / 7,104 — —
EdgeEdge
 0.0% 0 / 4,928 0.0% 0 / 55 — 0.0% 0 / 112 —
FirefoxFirefox
 94.48% 2,020 / 2,138 100.0% 292 / 292 — 0.0% 0 / 11 99.39% 324 / 326

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,974 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,231 / 5,232 99.85% 659 / 660 — 100.0% 2,295 / 2,295 98.73% 388 / 393
SafariSafari
 — 100.0% 289 / 289 100.0% 1,448 / 1,448 — —
EdgeEdge
 100.0% 1,000 / 1,000 — — 100.0% 37 / 37 —
FirefoxFirefox
 100.0% 399 / 399 100.0% 65 / 65 — — 100.0% 62 / 62