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Device/Browser Fingerprinting

Tracking

WebRTC Leak Browser Extension Cross‑Site Tracking Privacy Settings

Probabilistic identification via observable client signals.

Definition

Fingerprinting extracts and combines high-entropy client attributes (hardware, software, timing, rendering) to build a persistent identifier without relying on cookies.

In plain English Probabilistic identification via observable client signals.

Why this matters

Why it matters: It enables tracking resistant to traditional controls and increases re-identification risk.

Example

Example: Canvas/WebGL rendering differences used as a fingerprint component.

Apps Using Device/Browser Fingerprinting

Examples of apps that implement or relate to this privacy concept

Mull logo

Mull

Privacy Score: 80

Mull offers a privacy-conscious alternative in the browser space, with a stronger focus on data p...

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Brave logo

Brave

Privacy Score: 78

Brave offers a privacy-conscious alternative in the browser space, with a stronger focus on data ...

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Tor Browser logo

Tor Browser

Privacy Score: 95

Tor Browser offers a privacy-conscious alternative in the browser space, with a stronger focus on...

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Mullvad Browser logo

Mullvad Browser

Privacy Score: 93

Mullvad Browser offers a privacy-conscious alternative in the browser space, with a stronger focu...

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Firefox logo

Firefox

Privacy Score: 72

Firefox offers a privacy-conscious alternative in the browser space, with a stronger focus on dat...

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LibreWolf logo

LibreWolf

Privacy Score: 85

LibreWolf offers a privacy-conscious alternative in the browser space, with a stronger focus on d...

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