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Codec: avc1.42083d

85.23% Encoder Support
53,682 of 62,988 sessions supported encoding
84.99% Decoder Support
10,023 of 11,793 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,988 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.73% 27,559 / 27,634 99.86% 4,321 / 4,327 — 99.69% 12,042 / 12,080 98.39% 1,586 / 1,612
SafariSafari
 — 2.13% 36 / 1,690 1.63% 115 / 7,051 — —
EdgeEdge
 100.0% 5,107 / 5,107 97.83% 45 / 46 — 100.0% 117 / 117 100.0% 11 / 11
FirefoxFirefox
 95.08% 2,126 / 2,236 100.0% 269 / 269 — 0.0% 0 / 11 99.68% 308 / 309

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,793 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,131 / 5,132 100.0% 666 / 666 — 99.77% 2,201 / 2,206 98.94% 375 / 379
SafariSafari
 — 2.33% 6 / 258 1.96% 29 / 1,477 — —
EdgeEdge
 100.0% 1,043 / 1,043 — — 100.0% 29 / 29 —
FirefoxFirefox
 100.0% 421 / 421 100.0% 44 / 44 — — 100.0% 61 / 61