About Violentmonkey


What is it?

Violentmonkey is a userscript manager to support running userscripts in web pages.

Violentmonkey is built with web extension APIs. It supports a lot of browsers, including:

  • Chrome and all Chromium based browsers
  • Opera (both Presto- and Chromium-based Opera)
  • Maxthon
  • Firefox

Get it! or Donate


You are absolutely welcome to contribute code to GitHub.

You are welcome to help with this website too. Documents, improvements, articles
about Violentmonkey, etc.


  • Greasemonkey
  • Tampermonkey