Browser Privacy Checker

See what this browser exposes without sending data anywhere

Audit browser fingerprint signals — user agent, WebGL, storage, and leak hints — reported locally, no beacon sent.

Also known as: browser fingerprint checker · am i unique · privacy leak test · browser privacy test

100% In-Browser & Private — your data never leaves this device
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How to use the Browser Privacy Checker

  1. Open the tool — signals from this tab are collected locally.
  2. Review exposed headers, APIs, storage availability, and entropy hints.
  3. Compare after hardening extensions or privacy browser settings.

FAQ

Does PeachTools store my fingerprint?
No. Results are computed in your browser and never transmitted to PeachTools servers.
Can this block trackers?
This is diagnostic only — use browser settings, extensions, or CSP to reduce exposure.
Suggest an improvementRequest a feature, report an issue, or propose a new tool

Your tool inputs stay private in your browser. Only this message is sent to PeachTools — no account required.

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