Violentmonkey
Violentmonkey provides userscript support in browsers that support WebExtensions, according to the project description.
About Violentmonkey
Violentmonkey provides userscripts support for browsers with WebExtensions support. Its repository documents development, testing and building, and lists related versions for Opera Presto and Maxthon. Automated test builds cover changes between beta releases.
Pricing is not clearly stated.
Key features
- Installs as an unpacked extension in Chrome and Chromium-based browsers
- Installs as a temporary extension in Firefox
Watch out for
- Test builds are likely to have bugs
- Test build downloads require GitHub sign-in
Violentmonkey at a glance
- Category
- Software & Utilities › Browser Extensions
- Type
- Open-source project
- 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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