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Codec: avc1.4d0432

84.7% Encoder Support
53,107 of 62,701 sessions supported encoding
99.96% Decoder Support
11,818 of 11,823 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,701 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.23% 27,483 / 27,695 99.95% 4,310 / 4,312 — 97.45% 11,751 / 12,059 98.1% 1,495 / 1,524
SafariSafari
 — 2.23% 36 / 1,614 1.97% 138 / 7,010 — —
EdgeEdge
 99.9% 5,059 / 5,064 100.0% 48 / 48 — 99.12% 112 / 113 92.31% 12 / 13
FirefoxFirefox
 95.14% 2,074 / 2,180 100.0% 275 / 275 — 0.0% 0 / 14 98.26% 283 / 288

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,823 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,129 / 5,130 100.0% 678 / 678 — 100.0% 2,234 / 2,234 99.73% 373 / 374
SafariSafari
 — 100.0% 271 / 271 100.0% 1,414 / 1,414 — —
EdgeEdge
 100.0% 1,074 / 1,074 — — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 432 / 432 100.0% 55 / 55 — — 100.0% 48 / 48