Product Review: Language Tool

(See my other Web Tool related posts) – I like trying out new writing tools when I see them. I came across Language Tool recently. Language Tool is an Open Source project similar to the Hemmingway Editor. The project receives financial support from two European sources. The European Union and the European Regional Development Fund (ERDF).

Language Tool is free to use for documents up to 20,000 characters. You can access it through the website or you can install add-ons. The add-ons are available for:

  • the Firefox and Chrome browsers
  • Google Docs
  • Microsoft Word
  • Libre Office
  • a list of others

Language Tool checks your writing in more than 20 languages. It includes grammar, style, and spell checking. To handle documents up to 40,000 characters in length you can upgrade to the Premium version. The Premium version of Language Tool costs $59/year or $4.92 /month.

I have been a user of two other writing tools for a while now. The Hemmingway Editor and the Grammarly plug-in for Safari. I wanted to compare the results of these three tools so I entered the same text in each and checked the results.

Screen Shot 2020-04-20 at 1.35.13 PM

Screen Shot 2020-04-20 at 1.35.40 PM

Screen Shot 2020-04-28 at 2.30.33 PM

In the images above the same text is shown in Language Tool, Hemmingway, and Grammarly. As you can see from those images, the results are different for each tool. In my opinion, Language Tool is the least useful of the three.

In my workflow, I enter text first in Hemmingway. Once I have resolved what it has flagged, I paste the results into the web interface for WordPress. I then address what Grammarly has found.



  • Multilanguage
  • Web portal and App add-ons
  • up to 20000 characters
  • Free



  • no add-on for the Safari browser
  • Not as good as Hemmingway or Grammarly


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