Grammar and Spell Checker - LanguageTool

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

Grammar and Spell Checker - LanguageTool is available to install from Firefox Browser Add-ons and for download from this page. It has 398,810 active users The latest version is 8.13.2, and it was published 17 days ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of Grammar and Spell Checker - LanguageTool here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
 18 versions available for download.

Install XPI file

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the Grammar and Spell Checker - LanguageTool ZIP file from step 1. Grammar and Spell Checker - LanguageTool is now installed on your browser.