head to head · open source
uBlock vs keyFinder
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. keyFinder has 729 stars, 128 forks, 5 open issues and last shipped 10 days ago. uBlock leads on adoption by 9,370% (69,033 vs 729 stars). uBlock is written in JavaScript under GPL-3.0; keyFinder is written in JavaScript under MIT. uBlock has attracted 6% as many forks as stars, keyFinder 18%. uBlock was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (browser-extension, 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 | keyFinder | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 729 |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-24 |
| Forks | ⑂ 4.4K | ⑂ 128 |
| 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 keyFinder if
- You want the keyFinder feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and keyFinder 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 keyFinder
KeyFinder Passive API key and secret discovery for Chrome and Firefox KeyFinder is a browser extension for Chrome and Firefox that passively scans every page you visit for leaked API keys, tokens, secrets, and credentials. It runs silently in the background with zero configuration required. What It Detects KeyFinder ships with 80+ detection patterns covering secrets from: How It Works KeyFinder scans 10 different attack surfaces on every page: 1. Script src URLs Checks all script source URLs for keywords and tokens in query parameters 2. Inline scripts Scans tag contents for secret patterns 3. External scripts…
read the full keyFinder overview →
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Frequently asked questions
Is uBlock or keyFinder more popular?
uBlock has 69,033 GitHub stars and keyFinder has 729. uBlock has the larger community by that measure.
Are uBlock and keyFinder free?
Both are open source. uBlock is licensed under GPL-3.0 and keyFinder under MIT. Neither carries a licence fee.
What is the difference between uBlock and keyFinder?
uBlock is written in JavaScript and keyFinder 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 keyFinder?
Choose uBlock if you want the larger community (69,033 stars) or its GPL-3.0 licence terms. Choose keyFinder if its feature set, stack or MIT licence fits better. Both are self-hostable.