Violentmonkey
An open-source userscript manager, Violentmonkey adds userscript support to web browsers.
About Violentmonkey
Violentmonkey is an open source userscript manager that provides userscripts support for browsers. It customizes web pages and automates work, syncs to Dropbox, OneDrive, Google Drive or a WebDAV service including between different browsers, and communicates with external editors. It does not modify pages automatically; changes are made by installed scripts, so install only scripts you trust.
Pricing is not clearly stated.
Key features
- Customize web pages with userscripts
- Automate work with userscripts
- Sync to Dropbox, OneDrive, Google Drive, or WebDAV
- Sync between different browsers
- Communicate with external editors
Best for: People who use userscripts to customize web pages and automate browser tasks.
Good for
- Extension contains no ads
Violentmonkey at a glance
- Website
- violentmonkey.github.io
- Category
- Software & Utilities › Browser Extensions
- Type
- App
- Pricing
- Not confirmed. Check the site
- Platforms
- Browser extension
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Browser Extensions
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Violentmonkey FAQ
Where are userscripts stored?
They are stored in the local storage area of the browser extension, not as normal files on disk.
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