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Witchcraft

Inject Javascript and CSS right from your file system. Think GreaseMonkey for more advanced users.

Install / Use

/learn @luciopaiva/Witchcraft
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

Witchcraft

Witchcraft is a Google Chrome extension for loading custom JavaScript and CSS directly from a folder on your local machine, injecting them into web pages that match specified URL patterns.

It works by matching every page domain against script file names available in the scripts folder. For instance, if one navigates to google.com, Witchcraft will try to load and run google.com.js and google.com.css.

For more information on how to install and use it, head to Witchcraft's home page.

Development

See here.

Credits

Witchcraft is my rendition of defunkt's original extension, dotjs.

Images in the logo were provided by Freepik.

Related Skills

View on GitHub
GitHub Stars278
CategoryDevelopment
Updated10d ago
Forks23

Languages

JavaScript

Security Score

100/100

Audited on Mar 18, 2026

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