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Codec: avc1.641034

86.23% Encoder Support
276,241 of 320,352 sessions supported encoding
99.94% Decoder Support
268,979 of 269,129 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,352 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 142,582 / 143,666 99.86% 19,682 / 19,709 — 96.2% 61,330 / 63,755 97.41% 7,495 / 7,694
SafariSafari
 — 2.13% 183 / 8,604 1.48% 460 / 31,182 — —
EdgeEdge
 99.81% 31,060 / 31,120 99.72% 355 / 356 — 97.59% 973 / 997 100.0% 66 / 66
FirefoxFirefox
 96.27% 9,336 / 9,698 100.0% 1,317 / 1,317 — 0.0% 0 / 32 98.94% 1,305 / 1,319

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
 99.98% 120,963 / 120,991 99.92% 16,001 / 16,014 — 99.99% 53,890 / 53,896 99.16% 6,473 / 6,528
SafariSafari
 — 99.93% 7,291 / 7,296 99.99% 25,565 / 25,567 — —
EdgeEdge
 100.0% 27,049 / 27,049 100.0% 315 / 315 — 100.0% 917 / 917 100.0% 57 / 57
FirefoxFirefox
 100.0% 7,906 / 7,906 100.0% 1,072 / 1,072 — 0.0% 0 / 22 99.36% 1,093 / 1,100