ThumbmarkJS Description
ThumbmarkJS is a privacy-conscious and equitable fingerprinting library crafted specifically with developers in mind. Licensed under MIT, it is easily accessible through NPM or via jsDelivr, and with just a few lines of JavaScript, you can import the UMD bundle and utilize tm.get() to obtain a reliable 32-character thumbmark fingerprint. For smaller applications that demand enhanced accuracy, there is a complimentary API version available, while the Pro version offers scalable and economical solutions for extensive applications. With no complicated installation processes or intrusive tracking methods, ThumbmarkJS has successfully been adopted by over 60,000 websites, facilitating more than 1 billion identifications and enjoying around 200,000 downloads each month. The library is not only free and open source but also serves as a viable alternative to FingerprintJS. It effectively creates unique, enduring device fingerprints by leveraging web APIs like canvas, audio, and fonts, enabling the recognition of browsers across different sessions. This functionality makes it a powerful tool for developers seeking a straightforward and effective way to implement browser identification without sacrificing user privacy.
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Likelihood to Recommend to Others1 2 3 4 5 6 7 8 9 10
Just what we needed Date: Aug 17 2026
Summary: We were able to cut down heavily on account fraud by implementing this on our website. Previously, people were registering multiple accounts fraudulently, and we were able to now put a system in place to track when a request comes from the same machine. Really recommend using this software!
Positive: I really like the ease of integration with this. It's really straight forward and does exactly what it promises. The dashboard is informative and you can see exactly how many requests have been made. I also like the webhook functionality.
Negative: It seems like the system is lacking a bit in detecting VPN connections and private browsing. Some VPN connections are not being detected, and private browsing is not something that we were able to get through this either, but we combined another service with this to get the full package.
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