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Codec: avc1.4d0032

98.87% Encoder Support
62,153 of 62,864 sessions supported encoding
99.94% Decoder Support
11,952 of 11,959 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 62,864 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.15% 27,485 / 27,721 99.93% 4,366 / 4,369 — 97.32% 11,867 / 12,194 98.44% 1,574 / 1,599
SafariSafari
 — 99.94% 1,608 / 1,609 100.0% 6,884 / 6,884 — —
EdgeEdge
 99.82% 5,042 / 5,051 100.0% 50 / 50 — 99.06% 105 / 106 100.0% 10 / 10
FirefoxFirefox
 96.07% 2,102 / 2,188 100.0% 286 / 286 — 0.0% 0 / 13 99.32% 294 / 296

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,959 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,184 / 5,185 99.86% 704 / 705 — 100.0% 2,240 / 2,240 99.05% 418 / 422
SafariSafari
 — 100.0% 258 / 258 100.0% 1,404 / 1,404 — —
EdgeEdge
 100.0% 1,095 / 1,095 100.0% 10 / 10 — 100.0% 24 / 24 —
FirefoxFirefox
 100.0% 420 / 420 100.0% 52 / 52 — — 100.0% 64 / 64