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Preview of Violentmonkey

Violentmonkey by Gerald, tophf

Userscript support for browsers, open source.

Available on Firefox for Android™Available on Firefox for Android™
4.7 (763 reviews)4.7 (763 reviews)
135,309 Users135,309 Users
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Extension Metadata

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About this extension
Violentmonkey provides userscripts support for browsers. It works on browsers with WebExtensions support. It supports most scripts for Greasemonkey and Tampermonkey.
Features:
- Update automatically according to the meta data.
- Scripts will be executed in order as shown in the list.
- GM functions are supported.
- Importing from and exporting to ZIP files.
- Cloud synchronization with Dropbox, OneDrive, Google Drive, and any WebDAV server.
- Open source!
- A frequently updated beta version (click the xpi file inside Assets and confirm).
Rated 4.7 by 763 reviewers
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Permissions and data

Required permissions:

  • Input data to the clipboard
  • Display notifications to you
  • Access browser tabs
  • Access your data for all web sites
Learn more
More information
Add-on Links
  • Homepage
  • Support site
Version
2.35.0
Size
659.01 kB
Last updated
a month ago (24 Feb 2026)
Related Categories
  • Web Development
Licence
MIT Licence
Privacy Policy
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Version History
  • See all versions
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