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Codec: avc1.4d0834

84.71% Encoder Support
53,137 of 62,727 sessions supported encoding
99.96% Decoder Support
11,910 of 11,915 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,727 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 27,282 / 27,488 99.95% 4,332 / 4,334 — 97.47% 11,852 / 12,160 98.17% 1,558 / 1,587
SafariSafari
 — 3.07% 51 / 1,661 1.75% 122 / 6,963 — —
EdgeEdge
 99.86% 5,113 / 5,120 100.0% 44 / 44 — 100.0% 104 / 104 100.0% 11 / 11
FirefoxFirefox
 94.38% 2,081 / 2,205 100.0% 270 / 270 — 0.0% 0 / 12 98.96% 285 / 288

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,915 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,164 / 5,164 99.86% 707 / 708 — 100.0% 2,217 / 2,217 99.51% 404 / 406
SafariSafari
 — 100.0% 281 / 281 100.0% 1,438 / 1,438 — —
EdgeEdge
 100.0% 1,057 / 1,057 — — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 403 / 403 100.0% 47 / 47 — — 100.0% 72 / 72