What is WebGL fingerprinting? How the GPU gives a device away
WebGL fingerprinting identifies a device by how its GPU renders 3D graphics. How it works, what it reveals, and how it differs from canvas.
Blog / Browser fingerprinting
Browser fingerprinting
What is TLS fingerprinting? How JA3 and JA4 identify a client
TLS fingerprinting identifies the software behind a connection from its TLS handshake. How it works, what JA3 and JA4 are, and what it reveals.
What is font fingerprinting? How your installed fonts identify you
Font fingerprinting identifies a device by which fonts are installed, read from how text renders. How it works, what it reveals, and how stable it is.
What is audio fingerprinting? The browser technique, explained
Audio fingerprinting identifies a device by how it processes a sound signal in the browser. How it works, what it reveals, and how stable it is.
What is WebRTC fingerprinting? How it reveals a real IP behind a VPN
WebRTC fingerprinting uses a browser's real-time connection setup to expose network data, including a local or real IP behind a VPN. How it works.
What is browser fingerprinting? Detection methods + countermeasures
Browser fingerprinting identifies a device from 100+ datapoints. Learn how canvas, WebGL, and IP signals work, plus detection methods and countermeasures.
What is canvas fingerprinting? How it works and why it is so stable
Canvas fingerprinting identifies a browser by how it renders a hidden image. How it works, what it reveals, how stable it is, and its role in fraud detection.
10 browser fingerprinting techniques explained
The main browser fingerprinting techniques: canvas, WebGL, audio, fonts, TLS (JA3/JA4), and more, what each one reads and how stable it is.