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Codec: avc1.4d003d

84.7% Encoder Support
53,641 of 63,328 sessions supported encoding
85.6% Decoder Support
10,269 of 11,996 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 63,328 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 27,794 / 27,991 99.86% 4,407 / 4,413 — 97.26% 11,788 / 12,120 97.67% 1,593 / 1,631
SafariSafari
 — 2.48% 41 / 1,653 1.74% 122 / 7,031 — —
EdgeEdge
 99.82% 5,029 / 5,038 100.0% 55 / 55 — 100.0% 113 / 113 —
FirefoxFirefox
 94.69% 2,070 / 2,186 100.0% 285 / 285 — — 98.63% 289 / 293

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,996 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,301 / 5,301 99.85% 674 / 675 — 99.69% 2,230 / 2,237 99.07% 424 / 428
SafariSafari
 — 3.12% 9 / 288 1.6% 22 / 1,379 — —
EdgeEdge
 100.0% 1,039 / 1,039 100.0% 11 / 11 — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 404 / 404 100.0% 55 / 55 — — 100.0% 53 / 53