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Codec: avc1.64103e

86.23% Encoder Support
276,647 of 320,816 sessions supported encoding
87.77% Decoder Support
236,550 of 269,513 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 320,816 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.29% 142,821 / 143,836 99.75% 19,664 / 19,714 — 96.26% 61,777 / 64,180 97.08% 7,413 / 7,636
SafariSafari
 — 2.13% 183 / 8,598 1.48% 462 / 31,295 — —
EdgeEdge
 99.82% 30,834 / 30,889 99.74% 380 / 381 — 98.91% 996 / 1,007 98.15% 53 / 54
FirefoxFirefox
 95.93% 9,405 / 9,804 100.0% 1,309 / 1,309 — 0.0% 0 / 32 99.22% 1,267 / 1,277

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,513 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,219 / 121,267 99.74% 15,997 / 16,038 — 99.84% 54,154 / 54,240 98.27% 6,369 / 6,481
SafariSafari
 — 2.07% 148 / 7,139 1.47% 377 / 25,669 — —
EdgeEdge
 99.98% 26,825 / 26,830 100.0% 337 / 337 — 100.0% 921 / 921 97.96% 48 / 49
FirefoxFirefox
 99.9% 7,989 / 7,997 100.0% 1,072 / 1,072 — 0.0% 0 / 23 99.33% 1,039 / 1,046