head to head · open source
uBlock vs fingerprintjs
uBlock has 67,923 GitHub stars, 4,353 forks, 15 open issues and last shipped yesterday. fingerprintjs has 28,466 stars, 2,621 forks, 19 open issues and last shipped yesterday. uBlock leads on adoption by 139% (67,923 vs 28,466 stars). uBlock is written in JavaScript under GPL-3.0; fingerprintjs is written in TypeScript under MIT. uBlock has attracted 6% as many forks as stars, fingerprintjs 9%. uBlock was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (javascript), 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.
← all 8884 open source comparisons
Side by side
| uBlock | fingerprintjs | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 28K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 4.4K | ⑂ 2.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uBlock if
- You weight community size — 68K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick fingerprintjs if
- You want the fingerprintjs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and fingerprintjs fits your workflow better
About uBlock
uBlock Origin is a CPU and memory efficient, wide spectrum content blocker for Chromium and Firefox, aimed at anyone who wants ads, trackers, coin miners, popups, anti blockers and malware sites neutralised by default without hand tuning anything.
read the full uBlock overview →
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 →
More in Productivity & Utilities
Related comparisons
More Browsers & Extensions projects
Compare either of these against the rest of the Browsers & Extensions field.
Frequently asked questions
Is uBlock or fingerprintjs more popular?
uBlock has 67,923 GitHub stars and fingerprintjs has 28,466. uBlock has the larger community by that measure.
Are uBlock and fingerprintjs free?
Both are open source. uBlock is licensed under GPL-3.0 and fingerprintjs under MIT. Neither carries a licence fee.
What is the difference between uBlock and fingerprintjs?
uBlock is written in JavaScript and fingerprintjs 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, uBlock or fingerprintjs?
Choose uBlock if you want the larger community (67,923 stars) or its GPL-3.0 licence terms. Choose fingerprintjs if its feature set, stack or MIT licence fits better. Both are self-hostable.