Software · head to head
Violentmonkey vs LanguageTool
The short version
- Each has a real cost: Violentmonkey smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts; LanguageTool free tier limited to basic spelling and simple punctuation; advanced punctuation and style issues caught only on premium
- They diverge on capability: Violentmonkey covers Userscript support, LanguageTool covers Multi-language support.
Where they differ
Only the attributes on which Violentmonkey and LanguageTool actually diverge.
| Attribute | Violentmonkey | LanguageTool |
|---|---|---|
| Platforms | Chrome, Firefox, Edge | Web editor, Windows desktop app, macOS desktop app, Chrome extension, Firefox extension, Edge extension, Safari extension, Opera extension, Google Docs, Microsoft Word, iOS app |
| Founded | 2013 | 2003 |
Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Violentmonkey
- Userscript support
- Clean interface
- Cloud sync
- Script editor
Only in LanguageTool
- Multi-language support
- Grammar checking
- Style suggestions
- Personal dictionary
- Safari support
Both cover
- Chrome support
- Firefox support
- Edge support
- Opera support
What people use each for
The jobs each tool is most often brought in to do.
Violentmonkey
- Run open-source userscripts to customize or automate web pagesnot LanguageTool
- Import scripts compatible with Greasemonkey and Tampermonkey formatsnot LanguageTool
- Sync scripts and settings across browsers via Dropbox, OneDrive, Google Drive, or WebDAVnot LanguageTool
- Batch import/export scripts as zip filesnot LanguageTool
LanguageTool
- Grammar and spelling correction across web and desktopnot Violentmonkey
- Style and clarity improvementsnot Violentmonkey
- Multilingual writing assistancenot Violentmonkey
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Violentmonkey
- Smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts
- Less marketing and visibility results in lower adoption compared to more widely-known alternatives
- Community maintenance model means slower feature development compared to commercial alternatives
LanguageTool
- Free tier limited to basic spelling and simple punctuation; advanced punctuation and style issues caught only on premium
- Picky Mode (advanced typography) unavailable on free plan
- Specific pricing not displayed on main page; requires navigation to purchase flow
Pricing, plan by plan
Violentmonkey
FreeNo published plan breakdown. See the Violentmonkey review.
LanguageTool
FreeNo published plan breakdown. See the LanguageTool review.
Which should you pick?
Choose Violentmonkey if
- You need userscript support.
- You want to start without paying.
- You work on Chrome, Firefox, Edge.
- You also want clean interface.
Choose LanguageTool if
- You need multi-language support.
- You want to start without paying.
- You work on Web editor, Windows desktop app, macOS desktop app, Chrome extension, Firefox extension, Edge extension, Safari extension, Opera extension, Google Docs, Microsoft Word, iOS app.
- You also want grammar checking.
Questions people ask
- Is Violentmonkey or LanguageTool better?
- Neither clearly leads. Violentmonkey starts at Free and LanguageTool at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Violentmonkey or LanguageTool?
- Violentmonkey starts at Free and LanguageTool at Free.
- Does Violentmonkey or LanguageTool run on more platforms?
- Violentmonkey runs on Chrome, Firefox, Edge. LanguageTool runs on Web editor, Windows desktop app, macOS desktop app, Chrome extension, Firefox extension, Edge extension, Safari extension, Opera extension, Google Docs, Microsoft Word, iOS app.
- Can I use Violentmonkey for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Violentmonkey best used for?
- Violentmonkey is most often used for run open-source userscripts to customize or automate web pages, import scripts compatible with greasemonkey and tampermonkey formats, sync scripts and settings across browsers via dropbox, onedrive, google drive, or webdav, batch import/export scripts as zip files. Of those, run open-source userscripts to customize or automate web pages and import scripts compatible with greasemonkey and tampermonkey formats are not what LanguageTool is typically brought in for.
- What can Violentmonkey do that LanguageTool cannot?
- Violentmonkey covers Userscript support, Clean interface, Cloud sync, Script editor. LanguageTool covers Multi-language support, Grammar checking, Style suggestions, Personal dictionary. Both handle Chrome support, Firefox support, Edge support, Opera support.
Answered from the vendors’ own pages
Violentmonkey: Is Violentmonkey open-source?
Yes. Violentmonkey is fully open-source and available on GitHub, making it free to use and community-maintained unlike Tampermonkey which has a larger proprietary ecosystem.
SourceViolentmonkey: What browsers does Violentmonkey support?
Violentmonkey works on browsers with WebExtensions support, including Chrome, Firefox, Edge, and other Chromium-based browsers.
SourceViolentmonkey: How does Violentmonkey compare to Tampermonkey in performance?
Community benchmarks show Violentmonkey uses about 15 to 30 percent less RAM on Chrome compared to Tampermonkey when managing many open tabs.
SourceViolentmonkey: What is the current version of Violentmonkey?
Violentmonkey reached version 2.46.0 as of July 31, 2026, with active ongoing development and regular updates to the open-source project.
Source

