head to head · open source
uBlock vs javascript-obfuscator
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. javascript-obfuscator has 16,318 stars, 1,746 forks, 24 open issues and last shipped yesterday. uBlock leads on adoption by 323% (69,033 vs 16,318 stars). uBlock is written in JavaScript under GPL-3.0; javascript-obfuscator is written in TypeScript under BSD-2-Clause. uBlock has attracted 6% as many forks as stars, javascript-obfuscator 11%. 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.
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Side by side
| uBlock | javascript-obfuscator | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 16K |
| License | GPL-3.0 | BSD-2-Clause |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.4K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uBlock if
- You weight community size — 69K 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 javascript-obfuscator if
- You want the javascript-obfuscator feature set and don't need the biggest community
- You prefer the BSD-2-Clause license terms
- Your stack matches TypeScript
- You evaluated both and javascript-obfuscator fits your workflow better
About uBlock
[![Badge Commits]][Commit Rate] [![Badge Issues]][Issues] [![Badge Localization]][Crowdin] [![Badge License]][License] [![Badge NPM]][NPM] [![Badge Mozilla]][Mozilla] ![Badge Chrome] [![Badge Edge]][Edge] uBlock Origin (uBO) GitHub Releases Stable and development versions on Firefox, Chromium MV2, and Thunderbird. Must be placed manually into web browsers; the Chromium and Thunderbird versions usually won't auto update. Related: uBlock Origin Lite uBlock Origin (uBO) is a CPU and memory efficient [wide spectrum content blocker][Blocking] for Chromium and Firefox. It blocks ads, trackers, coin miners, popups…
read the full uBlock overview →
About javascript-obfuscator
JavaScript obfuscator :rocket: Obfuscator.io with VM Obfuscation Obfuscator.io adds VM based bytecode obfuscation to this package your JavaScript functions are compiled to custom bytecode that runs on an embedded virtual machine. Each build produces unique opcodes and VM structure, making reverse engineering and automated deobfuscation dramatically harder. Visit Obfuscator.io · Pro API methods This package provides access to Obfuscator.io API via CLI and Node.js API. Do you use JavaScript Obfuscator at your company? JavaScript Obfuscator has reached over 1 million npm downloads per week . I am currently…
read the full javascript-obfuscator overview →
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Frequently asked questions
Is uBlock or javascript-obfuscator more popular?
uBlock has 69,033 GitHub stars and javascript-obfuscator has 16,318. uBlock has the larger community by that measure.
Are uBlock and javascript-obfuscator free?
Both are open source. uBlock is licensed under GPL-3.0 and javascript-obfuscator under BSD-2-Clause. Neither carries a licence fee.
What is the difference between uBlock and javascript-obfuscator?
uBlock is written in JavaScript and javascript-obfuscator 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 javascript-obfuscator?
Choose uBlock if you want the larger community (69,033 stars) or its GPL-3.0 licence terms. Choose javascript-obfuscator if its feature set, stack or BSD-2-Clause licence fits better. Both are self-hostable.