fingerprintjs/fingerprintjs
The most advanced free and open-source browser fingerprinting library
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.
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.
Android app for ntfy.sh
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1 capture since 2026-05-27