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Codec: avc1.64043c

86.17% Encoder Support
276,079 of 320,384 sessions supported encoding
87.68% Decoder Support
235,968 of 269,129 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 320,384 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.24% 142,603 / 143,690 99.73% 19,626 / 19,679 — 96.38% 61,368 / 63,670 96.95% 7,416 / 7,649
SafariSafari
 — 2.05% 178 / 8,666 1.48% 463 / 31,376 — —
EdgeEdge
 99.8% 30,945 / 31,008 100.0% 360 / 360 — 98.59% 976 / 990 100.0% 67 / 67
FirefoxFirefox
 96.21% 9,441 / 9,813 100.0% 1,293 / 1,293 — 0.0% 0 / 34 98.9% 1,260 / 1,274

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,129 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,107 / 121,173 99.74% 16,003 / 16,044 — 99.86% 53,536 / 53,609 98.22% 6,331 / 6,446
SafariSafari
 — 1.94% 141 / 7,280 1.44% 369 / 25,708 — —
EdgeEdge
 99.96% 27,026 / 27,037 100.0% 313 / 313 — 100.0% 916 / 916 100.0% 63 / 63
FirefoxFirefox
 99.95% 8,042 / 8,046 99.9% 1,033 / 1,034 — 0.0% 0 / 23 99.23% 1,036 / 1,044