Violentmonkey provides userscripts support for browsers.
Features
A subreddit for the Vivaldi Web browser for Windows, macOS, Linux, and Android. Vivaldi is a web browser for power users that is fast, rich in functionality, flexible and puts the user first. Find out how to install, update or uninstall a standalone version of the Vivaldi browser. Use a standalone version to test or create a portable (USB install) of Vivaldi that you could store on an external disk for sharing between computers.
Powerful
- Customize web pages.
- Automate your work.
Data on the cloud
- Sync to Dropbox, OneDrive, Google Drive, or a WebDAV service.
- Sync between different browsers.
User-friendly
- Keep simple, no need to make choices.
- Communicate with external editors.
Note: This extension does not contain any ads and does not modify web pages automatically.Any changes and modifications on the sites are done by installed scripts.Therefore, please install only scripts that you trust.
Browser Source Code
Supported Browsers
Violentmonkey is built with web extension APIs, thus supports many browsers.
- Chrome
- Firefox
- Edge
- Opera
- Vivaldi
- More Chromium based browsers
Alternatives

Vivaldi Source
Contribution
You are absolutely welcome to contribute code to GitHub.
Vivaldi Browser Source Code
You are welcome to help with this website too. Documents, improvements, articlesabout Violentmonkey, etc.
