ScriptCat
Discover and share userscripts through ScriptCat, which pairs its script site with an extension compatible with Tampermonkey scripts.
About ScriptCat
ScriptCat is a site for discovering and sharing userscripts, paired with a script manager extension. The manager works with Tampermonkey scripts and supports background script execution with additional APIs.
Users search or browse scripts on the site and install them with one click after installing the manager. The site also has a developer program with recommendation exposure, forum permissions, discussion groups, and badges.
Key features
- Search and browse shared userscripts
- Install userscripts with one click via manager
- Compatible with Tampermonkey scripts
- Supports background script execution
- Provides additional APIs for scripts
- Developer program with badges and forum permissions
Best for: People who use userscripts in the browser and developers who want to publish and share scripts.
Good for
- Compatible with Tampermonkey scripts
- Supports background script execution
- One-click installation of scripts from the site
Watch out for
- Requires installing a script manager before using site scripts
ScriptCat at a glance
- Website
- scriptcat.org/en
- Category
- Software & Utilities › Browser Extensions
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Browser Extensions
ScriptCat alternatives
Tools and sites you could use instead, ranked by how closely they match.
This Greasy Fork userscript adds image dimensions to Google Image Search; install it with a compatible userscript manager.
This userscript adds a custom sidebar to Google Search and requires a userscript manager such as Tampermonkey or Violentmonkey.
ScriptCat provides a browser extension and userscript manager for customizing web pages, removing ads, and automating tasks.
Open source
24 alternatives
The Get Bookmarklets collection lets users browse, share, and install bookmarklets and userscripts.
Greasy Fork is an open-source online repository and platform for discovering, installing, and publishing user scripts and user styles.
FreeOpen source
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ScriptCat FAQ
What are userscripts?
They can enhance webpage functionality, remove ads, and improve usability.
How to get started with ScriptCat?
Install a script manager first, then find scripts on the site and install them with one click.
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