fingerprintjs

The most advanced browser fingerprinting library.

Leading open source version of browser device fingerprint, accurate deviceID and risk identification.

Put malicious users, IP addresses and anonymous browser fingerprints under surveillance, log the URLs they visit and block malicious ones from accessing the Laravel app.

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

Fingerprint Pro Wrapper for React Single Page Applications (SPA)

A Flutter plugin for the native FingerprintJS Pro libraries

The Cloudflare worker is responsible for delivering the latest fingerprinting client-side logic and proxying identification requests and responses between your site and Fingerprint Pro's APIs.

PHP SDK for Fingerprint Pro Server API

Node.js wrapper for FingerprintJS Server API

Framework-agnostic SPA service wrapper. Use it to build a FingerprintJS Pro wrapper for your favorite framework.

Password protect a react app.

Java SDK for Fingerprint Pro Server API

dumb hack to defuse the dumbest tricks to detect devtools being open -- and now a bunch of other stuff (killing fingerprinting, including semi-offensively breaking fingerprint2.js/pro, their backend returns errors)

Python SDK for Fingerprint Pro Server API

Go SDK for Fingerprint Pro Server API

Metered paywall demo, built with FingerprintJS PRO and NodeJS

C#/Dotnet SDK for Fingerprint Pro Server API

Fingerprint Pro CloudFront Integration is responsible for proxying identification and JavaScript agent download requests that are performed on your AWS infrastructure.

Fingerprint Pro Akamai Integration is responsible for proxying identification and JavaScript agent download requests that are performed on your Akamai infrastructure.

Code example used in the tutorial video for preventing multiple signups with FingerprintJS