https://browserscan.one/blog/ Free browser fingerprint, IP address, WebRTC leak and privacy test tools. See exactly what your browser reveals about you, in your browser, with nothing stored. en Wed, 07 Oct 2026 06:27:15 GMT https://browserscan.one/blog/how-advertisers-build-a-profile/ https://browserscan.one/blog/how-advertisers-build-a-profile/ An identifier, an auction, and a set of segments attached to it. Here is the chain that turns scattered page views into a profile, and what actually breaks it. Sat, 03 Oct 2026 00:00:00 GMT advertising profiling tracking fingerprinting https://browserscan.one/blog/incognito-mode-what-it-hides/ https://browserscan.one/blog/incognito-mode-what-it-hides/ Private browsing clears local traces, not identity. Here is what incognito does, what it leaves untouched, and why your fingerprint is unaffected either way. Mon, 28 Sep 2026 00:00:00 GMT incognito privacy fingerprinting storage https://browserscan.one/blog/can-websites-tell-you-use-a-vpn/ https://browserscan.one/blog/can-websites-tell-you-use-a-vpn/ Usually yes, but by inference rather than detection. Here are the tells a site can use, and which ones a residential proxy does and does not fix. Thu, 24 Sep 2026 00:00:00 GMT vpn detection privacy proxy network https://browserscan.one/blog/how-to-read-your-fingerprint-test-results/ https://browserscan.one/blog/how-to-read-your-fingerprint-test-results/ A plain guide to the numbers a fingerprint test shows you: what the hash means, what the entropy estimate claims, and which signals are worth worrying about. Sat, 19 Sep 2026 00:00:00 GMT fingerprinting privacy guide results https://browserscan.one/blog/is-browser-fingerprinting-legal/ https://browserscan.one/blog/is-browser-fingerprinting-legal/ Fingerprinting can be personal data even without cookies. Here is how consent rules apply in general terms, and where the honest uncertainty lies. Tue, 15 Sep 2026 00:00:00 GMT fingerprinting gdpr consent privacy legal https://browserscan.one/blog/browser-permissions-explained/ https://browserscan.one/blog/browser-permissions-explained/ Camera, microphone, location, notifications and more all work through the same prompt system. Here is what each permission does and how to audit and revoke it. Thu, 10 Sep 2026 00:00:00 GMT browser permissions privacy camera location https://browserscan.one/blog/how-to-hide-your-ip-address/ https://browserscan.one/blog/how-to-hide-your-ip-address/ Your IP address reveals your rough location and ties your activity together. Here are the real ways to hide it, how they compare, and what each one cannot do. Sun, 06 Sep 2026 00:00:00 GMT ip address vpn tor proxy privacy https://browserscan.one/blog/reduce-your-browser-fingerprint/ https://browserscan.one/blog/reduce-your-browser-fingerprint/ You cannot delete a fingerprint, but you can make yours far less distinctive. A realistic, step-by-step guide to blending in — and the common mistakes that backfire. Wed, 02 Sep 2026 00:00:00 GMT fingerprinting privacy guide tor browser https://browserscan.one/blog/timezone-and-clock-skew-tracking/ https://browserscan.one/blog/timezone-and-clock-skew-tracking/ Your timezone should match your IP address, and small clock drift is quietly identifying. Here is how both are read and what you can realistically do. Sun, 30 Aug 2026 00:00:00 GMT fingerprinting timezone vpn network privacy https://browserscan.one/blog/cookies-vs-fingerprinting/ https://browserscan.one/blog/cookies-vs-fingerprinting/ Deleting cookies feels like a fresh start, but fingerprinting can recognise you the moment you return. Here is how the two forms of tracking differ and why they are used together. Thu, 27 Aug 2026 00:00:00 GMT cookies fingerprinting tracking privacy https://browserscan.one/blog/local-storage-indexeddb-evercookies/ https://browserscan.one/blog/local-storage-indexeddb-evercookies/ Cookies are only one of several places a site can store an identifier. Here is every storage a page can reach, and what clearing your browsing data really removes. Sat, 22 Aug 2026 00:00:00 GMT evercookies local storage indexeddb tracking https://browserscan.one/blog/webrtc-leaks-explained/ https://browserscan.one/blog/webrtc-leaks-explained/ A WebRTC leak can expose your real IP address even while a VPN is running. Here is what causes it, how to test for it, and how to close the gap. Thu, 20 Aug 2026 00:00:00 GMT webrtc vpn ip address privacy leaks https://browserscan.one/blog/what-is-an-asn/ https://browserscan.one/blog/what-is-an-asn/ An autonomous system number identifies the network your traffic enters the internet from. It is coarser than your IP address, and harder to shake off. Sat, 15 Aug 2026 00:00:00 GMT asn isp privacy vpn network https://browserscan.one/blog/what-is-browser-fingerprinting/ https://browserscan.one/blog/what-is-browser-fingerprinting/ Browser fingerprinting identifies you without cookies by combining dozens of small, ordinary details your browser reveals. Here is how it works and why it is so hard to stop. Wed, 12 Aug 2026 00:00:00 GMT fingerprinting privacy tracking canvas webgl https://browserscan.one/blog/browser-extension-detection/ https://browserscan.one/blog/browser-extension-detection/ Sites cannot read your list of installed extensions, but they can often infer the ones that leave traces. Here is how that detection works for you. Sat, 08 Aug 2026 00:00:00 GMT extensions fingerprinting tracking privacy https://browserscan.one/blog/font-fingerprinting-explained/ https://browserscan.one/blog/font-fingerprinting-explained/ The fonts on your machine are a surprisingly individual signal. Here is how pages measure your font list and why deleting fonts will not help. Wed, 05 Aug 2026 00:00:00 GMT fonts fingerprinting tracking privacy https://browserscan.one/blog/mobile-browser-fingerprinting/ https://browserscan.one/blog/mobile-browser-fingerprinting/ Phones leak device model, screen metrics, touch support and more. Here is why mobile browsers are often more identifiable than desktop ones, and what helps. Sun, 02 Aug 2026 00:00:00 GMT fingerprinting mobile privacy client hints tracking https://browserscan.one/blog/tracking-pixels-and-third-party-cookies/ https://browserscan.one/blog/tracking-pixels-and-third-party-cookies/ A single invisible image can record that you opened a page. Here is how tracking pixels worked with third-party cookies, what browsers changed, and what replaced them. Thu, 30 Jul 2026 00:00:00 GMT tracking pixels third-party cookies tracking privacy https://browserscan.one/blog/ipv4-vs-ipv6-privacy/ https://browserscan.one/blog/ipv4-vs-ipv6-privacy/ Most connections now carry two addresses at once. Here is why a VPN that only covers IPv4 can leave your IPv6 exposed, and how to check yours. Thu, 23 Jul 2026 00:00:00 GMT ipv6 ipv4 vpn privacy network https://browserscan.one/blog/screen-resolution-tracking-signal/ https://browserscan.one/blog/screen-resolution-tracking-signal/ Screen and window dimensions look mundane, but a handful of measurements together narrow you down sharply. Here is what a page reads from your display. Mon, 20 Jul 2026 00:00:00 GMT screen resolution fingerprinting tracking device pixel ratio https://browserscan.one/blog/audio-fingerprinting-explained/ https://browserscan.one/blog/audio-fingerprinting-explained/ Audio fingerprinting measures how your machine processes sound, not what it hears. Here is how the pipeline works and why it differs from device to device. Thu, 16 Jul 2026 00:00:00 GMT audio fingerprinting webaudio privacy https://browserscan.one/blog/harden-firefox-against-fingerprinting/ https://browserscan.one/blog/harden-firefox-against-fingerprinting/ A step-by-step look at the Firefox settings that reduce fingerprinting, which extensions genuinely help, and why an over-customised profile can backfire. Sun, 12 Jul 2026 00:00:00 GMT fingerprinting firefox privacy guide browser https://browserscan.one/blog/dns-leaks-explained/ https://browserscan.one/blog/dns-leaks-explained/ Every site visit starts with a name lookup. Here is how that request travels, how a VPN can fail to capture it, and how to check whether yours leaks. Thu, 09 Jul 2026 00:00:00 GMT dns vpn privacy network leaks https://browserscan.one/blog/do-not-track-vs-global-privacy-control/ https://browserscan.one/blog/do-not-track-vs-global-privacy-control/ Both are signals your browser sends to ask sites not to track you, but only one carries legal weight. Here is what each header does and how to check yours. Mon, 06 Jul 2026 00:00:00 GMT do not track global privacy control privacy signals tracking https://browserscan.one/blog/webgl-fingerprint-and-your-gpu/ https://browserscan.one/blog/webgl-fingerprint-and-your-gpu/ WebGL lets pages ask your graphics card to identify itself. Here is what a site learns from your GPU, why those strings identify you, and what browsers do. Thu, 02 Jul 2026 00:00:00 GMT webgl gpu fingerprinting tracking https://browserscan.one/blog/client-hints-explained/ https://browserscan.one/blog/client-hints-explained/ Client hints split browser details into a small default set and a larger set a site must request. Here is what each field carries, and which one matters most. Tue, 30 Jun 2026 00:00:00 GMT client hints fingerprinting user agent privacy https://browserscan.one/blog/what-your-ip-address-reveals/ https://browserscan.one/blog/what-your-ip-address-reveals/ An IP address is a fact; the location and provider attached to it are inferences. Here is what is certain, what is guessed, and why it still links your visits. Thu, 25 Jun 2026 00:00:00 GMT ip address geolocation privacy asn network https://browserscan.one/blog/canvas-fingerprinting-explained/ https://browserscan.one/blog/canvas-fingerprinting-explained/ A hidden canvas drawing can recognise your browser without permission or stored files. Here is how the pixels are read, hashed and turned into an identifier. Thu, 18 Jun 2026 00:00:00 GMT canvas fingerprinting tracking privacy https://browserscan.one/blog/private-browsers-compared/ https://browserscan.one/blog/private-browsers-compared/ Brave, Firefox and Tor fight fingerprinting in different ways. Here is how randomisation, standardisation and hardening compare, and what each one costs. Sun, 14 Jun 2026 00:00:00 GMT fingerprinting brave tor firefox privacy https://browserscan.one/blog/what-your-user-agent-reveals/ https://browserscan.one/blog/what-your-user-agent-reveals/ A user-agent string is a short line of text your browser sends with every request. Here is what each part means and why browsers are shrinking it. Wed, 10 Jun 2026 00:00:00 GMT user agent fingerprinting privacy client hints