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Codec: avc1.4d083d

84.56% Encoder Support
52,976 of 62,646 sessions supported encoding
85.46% Decoder Support
10,071 of 11,784 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,646 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.14% 27,341 / 27,578 99.81% 4,267 / 4,275 — 97.38% 11,690 / 12,005 97.6% 1,544 / 1,582
SafariSafari
 — 2.7% 44 / 1,627 1.48% 104 / 7,033 — —
EdgeEdge
 99.79% 5,120 / 5,131 100.0% 52 / 52 — 97.98% 97 / 99 100.0% 12 / 12
FirefoxFirefox
 94.7% 2,090 / 2,207 100.0% 273 / 273 — 0.0% 0 / 12 99.01% 299 / 302

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,784 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,196 / 5,197 99.85% 668 / 669 — 99.86% 2,211 / 2,214 98.22% 386 / 393
SafariSafari
 — 3.02% 8 / 265 1.3% 18 / 1,389 — —
EdgeEdge
 100.0% 1,053 / 1,053 — — 100.0% 30 / 30 —
FirefoxFirefox
 99.74% 389 / 390 100.0% 44 / 44 — — 100.0% 53 / 53