Grammarly: AI Writing and Grammar Checker App

Improve your writing with Grammarly's assistance. Get spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.

Grammarly: AI Writing and Grammar Checker App is available to install from Firefox Browser Add-ons and for download from this page. It has 763,423 active users The latest version is 8.912.0, and it was published 4 days ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 6 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of Grammarly: AI Writing and Grammar Checker App 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
 13 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 Grammarly: AI Writing and Grammar Checker App ZIP file from step 1. Grammarly: AI Writing and Grammar Checker App is now installed on your browser.