IP & breach checks
Free checks that show what websites can see about your IP address and browser, and whether your email address has appeared in a data breach.
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VisitIPinfo
Look up any IP address's location, network and company
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VisitBrowserLeaks
Tests that show what your browser reveals to websites
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VisitPixelscan
One-click check of your browser fingerprint, IP and leaks
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VisitHave I Been Pwned
Check whether your email has appeared in a data breach
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VisitMozilla Monitor
Free scan for data breaches, with steps to fix what leaked