What exactly is Canvas Fingerprinting?
Think of it like this: If you ask ten people to draw an apple, every drawing will be a little bit different. One person might shade it more, and another might use a different line style. In your computer, the "Artist" is your Graphics Card (GPU). Canvas Fingerprinting is a way for websites to ask your GPU to draw an invisible picture. Because your hardware is unique, the result is a special code (a hash) that identifies you perfectly.
Can I delete this like a Cookie?
The scariest part is No. You can clear your cookies and browsing history, but your graphics card is still the same. Every time you go back to a site, it re-calculates your "handwriting" and knows exactly who you are. This is why people use AirOI Checker—to see how much of their identity is being leaked.
Why does your VPN not stop this?
A VPN changes your home address (IP address), but it doesn't change your computer's parts. Even if you are browsing from "London" via a VPN, your GPU is still the same one you have on your desk. Websites combine your Canvas Hash with your JA3 Fingerprint to track you across different IPs.
How to protect your privacy
Standard browsers like Chrome often leak this data easily. To stay safe, you can try:
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Brave Browser: It adds a little bit of "noise" to the drawing, so websites get a different, fake code every time.
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Tor Browser: It makes every user's computer look exactly the same, so no one can be singled out.
Frequently Asked Questions
Does Incognito mode block Canvas tracking?
No. Incognito mode only hides your history from your own family. It does not hide your hardware signature from the websites you visit.
Is Canvas Fingerprinting legal?
In many places, companies are supposed to ask for permission. But because it is "invisible," many websites use it secretly for advertising and security.
Can two people have the same hash?
It’s very rare. Unless they have the exact same model of computer, the same screen resolution, and the same version of Windows, their codes will be different.