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Codec: avc1.4d083c

86.45% Encoder Support
276,875 of 320,289 sessions supported encoding
87.68% Decoder Support
235,797 of 268,935 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,289 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 143,113 / 144,129 99.77% 19,804 / 19,849 — 97.59% 61,855 / 63,380 97.38% 7,500 / 7,702
SafariSafari
 — 2.02% 174 / 8,595 1.47% 462 / 31,464 — —
EdgeEdge
 99.82% 30,725 / 30,779 99.71% 342 / 343 — 99.04% 924 / 933 98.61% 71 / 72
FirefoxFirefox
 96.18% 9,243 / 9,610 100.0% 1,263 / 1,263 — 0.0% 0 / 35 98.94% 1,304 / 1,318

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,935 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 121,410 / 121,483 99.76% 16,119 / 16,157 — 99.86% 53,238 / 53,315 98.15% 6,427 / 6,548
SafariSafari
 — 1.88% 135 / 7,200 1.49% 383 / 25,757 — —
EdgeEdge
 99.97% 26,764 / 26,773 100.0% 307 / 307 — 100.0% 871 / 871 100.0% 66 / 66
FirefoxFirefox
 99.91% 7,896 / 7,903 99.9% 1,049 / 1,050 — 0.0% 0 / 24 99.35% 1,069 / 1,076