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Codec: avc1.640c3c

84.44% Encoder Support
53,248 of 63,061 sessions supported encoding
85.3% Decoder Support
10,055 of 11,788 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,061 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 27,620 / 27,829 99.79% 4,336 / 4,345 — 96.34% 11,758 / 12,205 97.51% 1,565 / 1,605
SafariSafari
 — 2.12% 36 / 1,700 1.73% 121 / 6,996 — —
EdgeEdge
 99.84% 4,968 / 4,976 100.0% 46 / 46 — 99.02% 101 / 102 92.31% 12 / 13
FirefoxFirefox
 95.33% 2,080 / 2,182 100.0% 291 / 291 — 0.0% 0 / 11 98.97% 289 / 292

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,788 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 5,161 / 5,164 99.55% 668 / 671 — 99.73% 2,182 / 2,188 98.56% 412 / 418
SafariSafari
 — 2.17% 6 / 276 2.19% 31 / 1,417 — —
EdgeEdge
 100.0% 1,011 / 1,011 — — 100.0% 34 / 34 —
FirefoxFirefox
 99.77% 432 / 433 100.0% 51 / 51 — — 100.0% 53 / 53