LanguageTool

What is LanguageTool?

LanguageTool is an AI-powered grammar, spelling, and punctuation checker. It corrects writing errors and provides style suggestions across more than 30 languages and dialects. Users can access it directly via a web editor or through browser extensions and desktop integrations. Its core function is to help individuals and organizations enhance the quality and clarity of their written communication.

Application scenarios

Professional communication: Checking and polishing emails, reports, and business documents.
Content creation: Improving blog posts, articles, and social media content like tweets.
Academic and research writing: Ensuring formal papers and publications are error-free.
Multilingual writing: Correcting text in a foreign language or within multilingual teams.
Desktop application writing: Proofreading directly within word processors and note-taking apps.

Main features

AI-based grammar and spell check: Instantly corrects grammatical errors and spelling mistakes in pasted or typed text.
Multi-language support: Automatically detects and provides suggestions for over 30 languages, including English, German, Spanish, French, and Dutch.
Browser add-on: Works anywhere on the web to offer writing tips within email clients, social media platforms, and content management systems.
Picky Mode: An optional setting that provides advanced suggestions for punctuation, style, and typography.
Personal Dictionary: Allows users to add custom words to tailor the checker to their specific vocabulary.
Writing statistics: Tracks productivity, languages used, errors made, and suggestions applied to help users monitor their improvement.
Dark and light appearance: Offers a choice between visual themes in the editor for a personalized, distraction-free experience.
Desktop integrations for Windows: Provides suggestions within supported apps like Outlook, WordPad, and Notepad.
Desktop integrations for macOS: Works within apps like Pages, Mail, Slack, Microsoft Word, Notes, and Messages.
Secure text storage: User texts are stored securely when using the online editor.

Target users

This tool benefits a wide range of users. It serves professionals and large organizations, as evidenced by trust from over 2,000 entities like BMW and the European Union. It is also built for writers, students, non-native speakers, and anyone who needs to produce clear, correct text in multiple languages directly within their daily workflow.

How to use LanguageTool?

You can start by visiting the official website and pasting your text into the free grammar checker on the homepage. For a persistent experience, you can sign up for a free account to access the dedicated editor, personal dictionary, and statistics. To use it across the web, install the browser add-on for Chrome, Firefox, Edge, or Safari. For use within desktop applications on Windows or macOS, you can download the respective desktop integrator.

Pricing and free trial

The website text promotes a "Free Grammar Checker" and a free account for the editor. It also advertises a "20% Limited-time discount on Premium," indicating the existence of a paid Premium tier. Specific price points and free trial details are not provided in the excerpt.

Effect review

The website positions LanguageTool as a highly trusted solution, citing over 2000 organizations and millions of users across its browser extensions. It is labeled as the "best-rated" or "most popular" grammar checker for major browsers like Chrome, Firefox, Safari, and Microsoft Edge, based on user reviews and install numbers. This widespread adoption and high rating across multiple platforms suggest a product that reliably delivers core proofreading value to a massive, global user base. The focus on privacy for the browser add-on and secure text storage also addresses key user concerns for a tool that handles sensitive written content.