FingerprintJS Surpasses 1 Million Weekly Downloads, Solidifying Position as the Leading Open-Source Browser Fingerprinting Library

CHICAGO--(BUSINESS WIRE)--Fingerprint, a leader in device intelligence, today announced that FingerprintJS, the world’s most popular open-source browser fingerprinting library, has officially surpassed 1 million weekly downloads.

This major milestone underscores the project’s widespread adoption as the open-source industry standard for browser fingerprinting. FingerprintJS enables developers to identify browser sessions with high accuracy, helping them prevent fraud, manage account security, and improve user experiences.

"When I first created FingerprintJS, my goal was to solve the fundamental challenge of identifying browser sessions in an accessible and precise way to make the internet safer for everyone," said Valentin Vasilyev, co-founder and CTO, Fingerprint. "Reaching 1 million weekly downloads is a testament to the thriving developer community that continues to build with our tools every day and validates our belief that secure and reliable open-source technology is essential for modern and safe web applications."

As browser security standards continue to shift, Fingerprint is committed to maintaining FingerprintJS to provide accurate, reliable, open-source identification that respects user privacy.

About Fingerprint

Fingerprint detects the intent of human and agentic visitors. Our device intelligence platform identifies over 1 billion unique devices every month and processes hundreds of signals to help fraud teams distinguish trusted visitors from bad actors at speed and scale. Over 6,000 companies, including innovators like Booking.com, Dropbox, Trustpilot, and Checkout.com, use Fingerprint every day to recognize high-risk activity in real time, prevent fraud attacks, and deliver frictionless user experiences. Learn more at fingerprint.com.

Frequently Asked Questions (FAQ)

What is FingerprintJS?

FingerprintJS is an open-source browser fingerprinting library that enables developers to identify browser sessions with high accuracy, helping them prevent fraud, manage account security, and improve user experiences.

How is FingerprintJS different from Fingerprint?

FingerprintJS is a free, open-source browser fingerprint library that Fingerprint (the company) maintains on GitHub. FingerprintJS works via client-side processing, collecting browser attributes to generate a hashed visitor identifier. Fingerprint (the company) builds on that foundation, and adds server-side processing, machine learning, and multiple device signals to achieve industry-leading identification accuracy.

What does the 1 million download milestone signify?

It confirms that FingerprintJS is the most widely adopted open-source browser fingerprinting library, serving a massive community of developers.