head to head · open source
uBlock vs maxurl
uBlock has 67,937 GitHub stars, 4,354 forks, 15 open issues and last shipped yesterday. maxurl has 1,625 stars, 99 forks, 425 open issues and last shipped 8 days ago. uBlock leads on adoption by 4,081% (67,937 vs 1,625 stars). uBlock is written in JavaScript under GPL-3.0; maxurl is written in JavaScript under Apache-2.0. uBlock has attracted 6% as many forks as stars, maxurl 6%. uBlock was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser-extension), 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 | maxurl | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 1.6K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-17 | 2026-09-10 |
| Forks | ⑂ 4.4K | ⑂ 99 |
| 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 maxurl if
- You want the maxurl feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and maxurl 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 maxurl
English Português (Brasil) Image Max URL is a program that will try to find larger/original versions of images and videos, usually by replacing URL patterns. It currently contains support for \ 10,000 hardcoded websites (full list in sites.txt), but it also supports a number of generic engines (such as Wordpress and MediaWiki), which means it can work for many other websites as well. It is currently released as: Userscript: (most browsers) Stable: userscript smaller.user.js or OpenUserJS Development: userscript.user.js (recommended) It serves as the base for everything listed below. It also serves as a node modul…
read the full maxurl overview →
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Frequently asked questions
Is uBlock or maxurl more popular?
uBlock has 67,937 GitHub stars and maxurl has 1,625. uBlock has the larger community by that measure.
Are uBlock and maxurl free?
Both are open source. uBlock is licensed under GPL-3.0 and maxurl under Apache-2.0. Neither carries a licence fee.
What is the difference between uBlock and maxurl?
uBlock is written in JavaScript and maxurl in JavaScript. 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 maxurl?
Choose uBlock if you want the larger community (67,937 stars) or its GPL-3.0 licence terms. Choose maxurl if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.