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Codec: avc1.42143c

85.5% Encoder Support
53,688 of 62,792 sessions supported encoding
85.88% Decoder Support
10,238 of 11,921 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,792 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.76% 27,457 / 27,524 99.84% 4,284 / 4,291 — 99.57% 12,284 / 12,337 98.28% 1,542 / 1,569
SafariSafari
 — 2.96% 47 / 1,586 1.62% 113 / 6,976 — —
EdgeEdge
 100.0% 5,007 / 5,007 98.08% 51 / 52 — 100.0% 91 / 91 —
FirefoxFirefox
 95.41% 2,203 / 2,309 100.0% 286 / 286 — — 98.23% 278 / 283

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,921 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,249 / 5,249 99.85% 685 / 686 — 99.78% 2,280 / 2,285 98.72% 386 / 391
SafariSafari
 — 4.44% 12 / 270 1.6% 22 / 1,372 — —
EdgeEdge
 100.0% 1,026 / 1,026 100.0% 13 / 13 — 100.0% 23 / 23 —
FirefoxFirefox
 100.0% 426 / 426 100.0% 46 / 46 — — 100.0% 62 / 62