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Codec: avc1.640c0a

18.94% Encoder Support
11,933 of 63,015 sessions supported encoding
99.91% Decoder Support
11,903 of 11,914 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,015 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 / 27,699 0.19% 8 / 4,298 — 0.02% 3 / 12,261 0.26% 4 / 1,520
SafariSafari
 — 99.94% 1,665 / 1,666 99.97% 7,097 / 7,099 — —
EdgeEdge
 0.0% 0 / 5,006 0.0% 0 / 42 — 0.0% 0 / 105 0.0% 0 / 10
FirefoxFirefox
 95.42% 2,083 / 2,183 100.0% 291 / 291 — 0.0% 0 / 18 98.72% 309 / 313

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,914 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,183 / 5,185 99.85% 677 / 678 — 100.0% 2,240 / 2,240 98.67% 371 / 376
SafariSafari
 — 100.0% 280 / 280 100.0% 1,499 / 1,499 — —
EdgeEdge
 100.0% 1,015 / 1,015 — — 100.0% 25 / 25 —
FirefoxFirefox
 100.0% 399 / 399 100.0% 49 / 49 — — 100.0% 64 / 64