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BrowserLeaks vs CreepJS: catalog facts
BrowserLeaksCreepJS
Free

Free to use online.

Free

Free to use in the browser, with source on GitHub.

Web Web
  • Wide range of IP, WebRTC, DNS and IPv6 leak tests
  • Shows exactly which device details JavaScript exposes
  • Runs many fingerprinting checks in one page
  • Handy for testing anti-fingerprinting browsers and extensions
  • Tests only the browser and connection you use to visit
  • Results need some technical knowledge to interpret
  • Unofficial mirrors exist; only the GitHub Pages deployment is official
  • Results are technical and take some knowledge to interpret
Web application Web application
Closed source Open source
License not stated License not stated
No account needed No account needed
Needs internet Needs internet

Checked September 23, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.