FingerprintJS Android
A lightweight Kotlin library for stateless device identification and fingerprinting on Android.
What is FingerprintJS Android?
FingerprintJS Android is a free, MIT-licensed library for identifying and fingerprinting Android devices. It generates stable, stateless device identifiers from platform signals, solving the problem of reliably tracking devices across app sessions without storing persistent data. The library provides two identification methods: a random device ID for general use and a composite fingerprint for security-focused scenarios.
Android developers building applications that require device identification for personalization, fraud detection, analytics, or security purposes, particularly those needing a lightweight, crash-free solution.
Developers choose FingerprintJS Android for its simplicity, reliability (100% crash-free), and dual identification approach that balances ease of use with security. Unlike alternatives, it offers stateless identifiers that persist through app reinstallations while being fully written in Kotlin with minimal dependencies.
Overview
Free library for identifying and fingerprinting Android devices. MIT license, no restrictions on usage in production.
Use Cases
Best For
- Implementing device identification for personalized content delivery
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