fingerprintjs

The most advanced free and open-source browser fingerprinting library

Free bot detection library that runs in the browser. Detects automation tools and frameworks. No server required, runs 100% on the client. MIT license, no usage restrictions.

Free library for identifying and fingerprinting Android devices. MIT license, no restrictions on usage in production.

Scheme flooding vulnerability: how it works and why it is a threat to anonymous browsing

A demo for the no-JavaScript fingerprinting article

Free iOS library for device fingerprinting. Does not require server APIs to work, fully client-side operation. MIT license, no restrictions on usage in production.

Demo showcasing information leaks resulting from an IndexedDB same-origin policy violation in WebKit.

Android library to verify the safety of user devices. Make sure that API calls from your app can be trusted. Instantly detect rooted devices, emulators, cloned apps, and other risk factors.

Official React Native client for Fingerprint. 100% accurate device identification for fraud detection.

Fingerprint SDK for React Single Page Applications (SPA)

Official Android agent & SDK for 100% accurate device identification, created for the Fingerprint Pro identification API.