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 395,979 active users The latest version is 8.14.3, and it was published 8 days ago.
Install from Firefox Browser Add-onsTotal 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
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 8.14.3 | XPI · ZIP · Source code | 13.44M | 0 | 2025-01-14 |
| 8.13.2 | Paid users only | 12.65M | 0 | 2024-12-05 |
| 8.11.8 | Paid users only | 12.02M | 0 | 2024-08-28 |
| 8.11.7 | Paid users only | 12.02M | 0 | 2024-08-20 |
| 8.11.6 | Paid users only | 12.54M | 0 | 2024-08-12 |
| 8.11.2 | Paid users only | 12.54M | 0 | 2024-08-02 |
| 8.10.4 | Paid users only | 12.46M | 0 | 2024-07-31 |
| 8.9.1 | Paid users only | 12.35M | 0 | 2024-06-11 |
| 8.6.0 | Paid users only | 11.20M | 0 | 2024-03-19 |
| 8.3.0 | Paid users only | 11.17M | 0 | 2023-11-28 |
| 8.2.2 | Paid users only | 10.59M | 0 | 2023-11-21 |
| 7.1.13 | Paid users only | 10.56M | 0 | 2023-07-04 |
| 6.2.5 | Paid users only | 10.67M | 0 | 2023-03-24 |
| 6.2.2 | Paid users only | 10.61M | 0 | 2023-03-06 |
| 6.0.1 | Paid users only | 10.63M | 0 | 2022-11-25 |
| 5.8.10 | Paid users only | 8.03M | 0 | 2022-11-07 |
| 5.8.6 | Paid users only | 8.03M | 0 | 2022-10-31 |
| 5.4.3 | Paid users only | 7.63M | 0 | 2022-08-08 |
| 5.3.3 | Paid users only | 7.29M | 0 | 2022-07-13 |
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Grammar and Spell Checker - LanguageTool ZIP file
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on , then select Install Add-on From File
- Select the Grammar and Spell Checker - LanguageTool ZIP file from step 1. Grammar and Spell Checker - LanguageTool is now installed on your browser.