Browser Fingerprint Viewer
See exactly what websites can detect about your browser, device, and system — entirely in your browser.
Your Fingerprint ID
SHA-256 hash of all traits combined
Collecting browser traits...
About Browser Fingerprint Viewer
A browser fingerprint is a combination of properties your browser reveals when you visit a website — the user agent, screen resolution, installed fonts, timezone, GPU, and dozens more. Individually, each property is harmless. Combined, they often form a unique ID that can track you across sites, even in incognito mode and without cookies.
This viewer shows you the full picture: what any site you visit can learn just from your browser's default APIs. Everything is computed locally in your browser — nothing is uploaded, logged, or stored. The composite Fingerprint ID at the top is a SHA-256 hash of all detected traits, giving you a single identifier to compare across browsers, devices, or after enabling privacy tools.
Use it to audit your privacy, test anti-fingerprinting extensions (like Brave Shields, Firefox's Resist Fingerprinting, or uBlock Origin), or simply to learn how online tracking works.
How to Use Browser Fingerprint Viewer
Open the page
Your fingerprint is collected automatically. No sign-in, no installation, no tracking.
Scan the categories
Review browser, display, hardware, WebGL, fonts, network, and privacy properties.
Copy the Fingerprint ID
Save the hash, then test again in another browser or private window to compare.
Test privacy tools
Turn on a VPN, privacy extension, or Tor Browser and recalculate to see what changes.
Frequently Asked Questions
Everything you need to know about browser fingerprinting
What is a browser fingerprint?
It is the set of properties your browser exposes — like user agent, screen size, timezone, GPU, and installed fonts. Combined, those traits can uniquely identify your device, even without cookies.
Is any of my data sent to a server?
No. Every trait is read from browser APIs and hashed locally. Nothing leaves your device, and nothing is stored.
Why do I get a different hash in incognito or another browser?
Different browsers expose different properties. Incognito mode usually changes plugins, storage quota, and sometimes fonts — so the hash changes too, though many traits remain the same.
Can I block fingerprinting?
You can reduce it. Use Brave, Tor Browser, or Firefox with privacy.resistFingerprinting. Disable WebGL, spoof your user agent, or use extensions like uBlock Origin and Canvas Blocker.
What is a canvas fingerprint?
Your browser renders a test image using your GPU, fonts, and anti-aliasing. Tiny pixel differences between devices make the resulting image data almost unique — so its hash becomes a stable identifier.
Does a VPN change my fingerprint?
Not really. A VPN hides your IP address, but your browser fingerprint stays mostly the same. That's exactly why fingerprinting is so effective — it works even when your IP changes.
How unique is my fingerprint?
Research from the EFF's Panopticlick project shows most desktop browsers are uniquely identifiable out of millions. Rare combinations of fonts, GPU, and screen size are usually the main giveaways.
Why are some values empty or hidden?
Modern browsers increasingly hide or randomize traits (GPU vendor, plugin list, device memory) to resist fingerprinting. Safari and Firefox's privacy modes are the strictest.