Go well beyond grammar, spell checking and correct writing



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  • Latest Version

    LanguageTool 0.5.1 LATEST

  • Review by

    Juan Garcia

  • Operating System

    Windows 10 / Windows 11

  • User Rating

    Click to vote
  • Author / Product

    LanguageTool Team / External Link

  • Filename


LanguageTool is a powerful proofreading and grammar-checking platform designed to help users improve their writing by identifying and correcting errors in spelling, grammar, punctuation, and style. Developed by LanguageTool GmbH, this versatile tool is available for various platforms, including Windows, macOS, iOS, Office plugins, E-mail Add-ons and web browsers, making it accessible to a wide range of users. Whether you're a student, professional writer, or business communicator, it aims to enhance the quality and accuracy of your written content.

is a text editor for Windows PCs that is focused on providing users with streamlined access to tools for improving the document style, grammar, and spelling with a set of recommendations that can quickly improve and enrich writing and provide clear guidelines on how the user can improve their writing style in order to improve their productivity and more easily write accurately and stylishly.

Create your free account
  • Distraction-free writing experience
  • Personal dictionary
  • Quality scoring for your texts
  • Texts are securely stored
  • Access even more suggestions for advanced style and typography with the “Picky Mode”
  • Choose between dark and light appearance
LanguageTool is distributed online in several ways. Its text editing engine is accessible directly from its official website, it can be integrated into popular web browsers as a lightweight plugin (Chrome, Firefox, Edge, Safari), and it can be infused into popular text editors such as Microsoft Word, Google Docs, Open Office, it is made available as an iOS portable app, and finally, it can be downloaded and used locally on any desktop and laptop Windows PC as a standalone client app.

The desktop app can be easily deployed on any modern PC with the help of an automated installer that will start up a sleek dashboard where users can import their text documents. The dashboard is separated into four main sections – the far left column of main shortcuts (Home, Text, Settings, and Premium), a Listing of the imported text documents, an active editing area, and finally suggestion module on the far right. The main editing area showcases the recommendation by underlying the problematic works and sections with different color lines. For example, the red line signifies a spelling mistake, while the yellow line is for word repetition and punctuation, etc.

Key Features

Multi-Lingual Support: It supports more than 30 languages, making it an invaluable tool for users who write in multiple languages or require proofreading assistance in a non-English language.

Grammar and Spelling Checks: The software detects and corrects common and advanced grammar and spelling mistakes, ensuring that your written content is error-free and polished.

Style and Writing Suggestions: It provides suggestions for improving writing style, including recommendations for sentence structure, vocabulary, and clarity.

Browser Integration: With browser extensions available for popular browsers like Chrome and Firefox, you can proofread your content while writing emails, social media posts, and more directly in your web browser.

Desktop Integration: The desktop version seamlessly integrates with word processing software like Microsoft Word and LibreOffice, allowing you to check your documents without leaving your preferred writing environment.

Plagiarism Detection: It can detect potential plagiarism by comparing your text with a vast database of online content, helping you maintain originality in your work.

Customization: Users can customize the software to their writing needs, including setting writing goals, adjusting proofreading rules, and creating personal dictionaries.

User Interface

It offers an intuitive and user-friendly interface. Upon launching the application, users are greeted with a clean and organized dashboard that provides access to various features and settings. The interface is designed to minimize distractions, allowing users to focus on their writing and proofreading tasks. Overall, it strikes a balance between simplicity and functionality, catering to both novice and experienced users.

Installation and Setup

Windows: Download the executable installer from the official website or FileHorse, run it, and follow the on-screen instructions to complete the installation.

Web Browser Extension: Installing the browser extension is as easy as visiting the respective extension store (e.g., Chrome Web Store) and clicking the "Add to Chrome" or equivalent button.

How to Use

Installation: As mentioned earlier, download and install the software or browser extension.

Integration: If you're using the desktop version, integrate the app with your preferred word processing software.

Open Your Document: Start a new document or open an existing one.

Proofreading: It automatically underlines or highlights errors and suggestions in your text.

Review Suggestions: Click on the underlined or highlighted text to see suggestions and choose whether to accept or ignore them.

Customization: Explore the software settings to customize proofreading rules, languages, and other preferences.


Can I use LanguageTool for free?
Yes, it offers a FREE version with BASIC grammar and spelling checks. However, for more advanced features and full language support, a premium subscription is available.

Is LanguageTool available for mobile devices?
At the moment, it primarily focuses on desktop, plugins and web browser support. While there isn't a dedicated mobile app, you can access it through a mobile web browser.

How accurate is the plagiarism detection feature?
LanguageTool's plagiarism detection relies on a comprehensive database, and its accuracy is generally reliable. However, it's essential to review and verify any flagged content for false positives.

Can I use LanguageTool offline?
The desktop version of the app does offer offline functionality, allowing you to proofread documents without an internet connection.

Is my data safe with LanguageTool?
It respects user privacy and does not store your text or personal data on their servers. Your writing remains secure and confidential.

Also Available:

Browser Add-ons:
  • Chrome
  • Microsoft Edge
  • Mozilla Firefox
  • Safari
  • Opera
Office Plugins:
  • Google Docs
  • Microsoft Word
  • Apple Pages
  • OpenOffice
  • LibreOffice
E-Mail Add-ons:
  • Gmail
  • Apple Mail
  • Outlook - BETA
  • Thunderbird
  • Check Grammar & Spelling
  • Punctuation Checker
  • Correct Grammar in Word Documents
  • LanguageTool for Businesses
  • LanguageTool for Non-Profits & Students
  • LanguageTool for Professional Writers
  • Proofreading API

Grammarly: Grammarly is a popular writing assistant known for its robust proofreading features, including grammar and plagiarism checks. It offers both free and premium versions.

ProWritingAid: ProWritingAid offers in-depth writing analysis, including grammar, style, and readability suggestions. It's available as a web app and integrates with desktop writing software.

Ginger: Ginger provides grammar and spelling correction, along with a sentence rephrasing feature. It offers browser extensions and desktop applications.

Linguix: An AI writing assistant and grammar checker for Windows PC.

Hemingway Editor: Hemingway Editor focuses on improving writing style and readability. It's a desktop application that helps users simplify and clarify their writing.


Available in the Free basic version:
  • Basic grammar, punctuation, and style checking
  • Only up to 20,000 characters per text
Available in the Premium version - €13.33 /month:
  • Enhanced grammar, punctuation, and style checking
  • Up to 150,000 characters per text field
  • Suggestions to improve style and tone
  • Detection of incorrect names and titles in e-mails
  • Detection of incorrect numbers (e.g. IBAN, ISBN, ...)
  • Add-in for Microsoft Word
  • Add-on for Google Docs or Microsoft Word
Itcan be used for FREE for texts that don’t go over 20 thousand characters. More demanding users can purchase a premium license for individuals and teams that also unlock several advanced text scanning tools. The app is optimized for all modern versions of Windows OS.

Can I try LanguageTool Premium for free?
It offers a 14-day money-back guarantee for all Premium packages. If you are not happy with our service, your subscription can be canceled any time, and you get a refund. No questions asked.

  • Multi-lingual support for over 30 languages.
  • Comprehensive grammar, spelling, and style checks.
  • Browser and desktop integration for ease of use.
  • Plagiarism detection feature.
  • Customizable settings for personalization.
  • Full access to advanced features requires a premium subscription.

All in all, LanguageTool is a versatile and user-friendly proofreading and grammar-checking software that caters to a wide range of users, from students to professionals. With its robust set of features, multi-lingual support, and browser/desktop integration, it stands as a powerful tool for enhancing the quality of written content.

LanguageTool's strengths in grammar and style checking, along with its privacy-conscious approach, make it a solid choice for anyone looking to improve their writing skills. Whether you opt for the free version or the premium subscription, the platform is a valuable companion in the quest for error-free and polished written communication.