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Codec: avc1.64143e

86.22% Encoder Support
276,410 of 320,605 sessions supported encoding
87.79% Decoder Support
236,740 of 269,675 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,605 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,064 / 144,113 99.75% 19,585 / 19,634 — 96.32% 61,463 / 63,809 96.99% 7,520 / 7,753
SafariSafari
 — 1.96% 168 / 8,585 1.44% 450 / 31,328 — —
EdgeEdge
 99.82% 30,775 / 30,832 99.73% 363 / 364 — 97.41% 940 / 965 97.06% 66 / 68
FirefoxFirefox
 96.03% 9,423 / 9,813 100.0% 1,244 / 1,244 — 0.0% 0 / 44 99.36% 1,251 / 1,259

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,675 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,563 / 121,617 99.74% 15,990 / 16,031 — 99.87% 53,844 / 53,916 98.36% 6,473 / 6,581
SafariSafari
 — 1.92% 139 / 7,246 1.41% 361 / 25,557 — —
EdgeEdge
 99.98% 26,998 / 27,004 100.0% 322 / 322 — 100.0% 890 / 890 98.33% 59 / 60
FirefoxFirefox
 99.95% 7,987 / 7,991 99.9% 1,015 / 1,016 — 0.0% 0 / 33 99.52% 1,026 / 1,031