head to head · open source
fingerprintjs vs nanobrowser
fingerprintjs has 28,487 GitHub stars, 2,623 forks, 19 open issues and last shipped 3 days ago. nanobrowser has 13,810 stars, 1,459 forks, 81 open issues and last shipped 1 months ago. fingerprintjs leads on adoption by 106% (28,487 vs 13,810 stars). fingerprintjs is written in TypeScript under MIT; nanobrowser is written in TypeScript under Apache-2.0. fingerprintjs has attracted 9% as many forks as stars, nanobrowser 11%. fingerprintjs was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| fingerprintjs | nanobrowser | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 14K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-08-18 |
| Forks | ⑂ 2.6K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fingerprintjs if
- You weight community size — 28K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick nanobrowser if
- You want the nanobrowser feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and nanobrowser fits your workflow better
About fingerprintjs
FingerprintJS is an open source, client side browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them, aimed at web developers and engineering teams that need to recognise returning browsers without depending on cookies or local storage.
read the full fingerprintjs overview →
About nanobrowser
Nanobrowser is an open source Chrome extension for AI powered web automation that runs multi agent workflows inside your own browser using your own LLM API key, built for people who want Operator style browser agents without a subscription.
read the full nanobrowser overview →
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Frequently asked questions
Is fingerprintjs or nanobrowser more popular?
fingerprintjs has 28,487 GitHub stars and nanobrowser has 13,810. fingerprintjs has the larger community by that measure.
Are fingerprintjs and nanobrowser free?
Both are open source. fingerprintjs is licensed under MIT and nanobrowser under Apache-2.0. Neither carries a licence fee.
What is the difference between fingerprintjs and nanobrowser?
fingerprintjs is written in TypeScript and nanobrowser in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, fingerprintjs or nanobrowser?
Choose fingerprintjs if you want the larger community (28,487 stars) or its MIT licence terms. Choose nanobrowser if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.