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June 15, 2026 5 min read

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How to Check and Understand Your Browser Fingerprint

How to Check and Understand Your Browser Fingerprint

Author Chloe P (Updated on March 16, 2026) Updated on March 16, 2026

What is a browser fingerprint?

You can think of a browser fingerprint as the digital ID of your device. It contains various information that the browser shares with websites, such as your IP address, browser version, screen size, operating system, fonts, and so on. All these small details combined create a unique fingerprint that websites can use to identify you—even if you clear cookies or switch accounts.

Why should we care about browser fingerprints?

Because websites are essentially digital detectives. They use fingerprints to:

Detect and prevent suspicious or fraudulent activity
Eliminate fraud and fake accounts
Track your actions across different visits

Therefore, if you want to stay low-profile and avoid restrictions—especially when managing multiple accounts—it is essential to keep your fingerprint clean and consistent.

How to Check Browser Fingerprint

Want to check your browser fingerprint? Use these tools to examine your fingerprint and spot anything unusual:

Whoer IP: Check your IP address and make sure it matches your expected location (default Multilogin checker)
Pixelscan: Get a detailed view of your browser fingerprint
BrowserLeaks: Detect any fingerprint inconsistencies that might reveal your real identity

The specific process is as follows:

Launch your Multilogin profile
Test your fingerprint using one of the tools above
Look for inconsistencies in IP address, browser version, or operating system
Adjust settings in Multilogin to fix any mismatches

Will the website know that I am checking my fingerprint?

No! Websites can only see cookies for their own domain. So:

Multilogin Cookie? Only Multilogin can see these
Facebook Cookie? This is exactly Facebook's ability

This is called the Same-Origin Policy (SOP) — the way browsers lock your information.

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