Websites can recognise your browser without cookies by combining details like your screen, fonts, graphics card and audio stack. Run the test below to see how rare your combination is — roughly one in how many browsers — and which signals give you away.
Runs on your device
Sites can recognize your browser without cookies by combining small details: screen, fonts, GPU, time zone and more. This test reads the same details any page can, right here. Nothing is stored or sent anywhere.
Fingerprinting survives clearing cookies and private windows, so it’s used to follow people who think they’ve opted out.
No. Everything is measured and scored in your browser.
Tor Browser and Mullvad Browser make users look alike; Brave and Firefox with resist-fingerprinting add noise or reduce detail.
No. A VPN changes your IP address, not what your browser reveals about itself.
