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My IP and WebRTC

See your public IP address, test for WebRTC leaks behind a VPN, and check what your browser fingerprint reveals to websites.

Your IP
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WebRTC leak test

Video-call technology in your browser can reveal your real IP even behind a VPN. The test asks Cloudflare's public STUN server what address your browser shows it, then compares.

Browser fingerprint

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Sites can combine these details to recognise your browser without cookies. They're worked out here and never sent to us.

What every website sees

Each time you load a page, the site gets your IP address, which reveals your rough location and internet provider, plus headers describing your browser and language. Scripts can then read dozens of details about your device to tell you apart from other visitors.

Reducing what you share

  • A trusted VPN or Tor hides your IP address. Run the WebRTC test to check it isn't leaking.
  • Firefox with strict tracking protection, Brave and Tor Browser make fingerprints less unique.
  • Turn on Global Privacy Control to tell sites not to sell or share your data.

Questions

Do you keep my IP address?

This page shows it back to you and doesn't store it. Our web server's access logs keep IPs for up to 14 days for abuse protection.

Is the fingerprint sent anywhere?

No. It's worked out in your browser and only shown to you.