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Codec: avc1.640c3d

84.3% Encoder Support
53,432 of 63,381 sessions supported encoding
85.4% Decoder Support
10,205 of 11,949 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,381 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.2% 27,452 / 27,672 99.82% 4,430 / 4,438 — 96.03% 11,834 / 12,323 97.59% 1,580 / 1,619
SafariSafari
 — 2.44% 41 / 1,681 1.59% 112 / 7,031 — —
EdgeEdge
 99.92% 5,075 / 5,079 100.0% 43 / 43 — 95.69% 111 / 116 —
FirefoxFirefox
 95.13% 2,130 / 2,239 100.0% 292 / 292 — 0.0% 0 / 11 98.98% 292 / 295

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,949 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,265 / 5,266 99.86% 694 / 695 — 99.86% 2,216 / 2,219 98.61% 425 / 431
SafariSafari
 — 3.73% 11 / 295 2.53% 36 / 1,424 — —
EdgeEdge
 100.0% 985 / 985 — — 100.0% 37 / 37 —
FirefoxFirefox
 99.76% 413 / 414 100.0% 48 / 48 — — 100.0% 59 / 59