LanguageTool

FREEMIUM · Free Premium $5/month

Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease.

4.6(197 reviews) 0 views Updated 9/8/2026

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Overview

LanguageTool Your writing assistant Grammar Checker Paraphrasing Tool Premium -20% For Business More Sign Up (() => {const inlineScript = document.getElementById("inline-script-6a9efbbd2db00");(()=>{"use strict";const e=()=>{switch(function(){const e=navigator.userAgent.toLowerCase();if(navigator.brave)return"brave";switch(!0){case e.includes("opr/")||e.includes("opera/"):return"opera";case e.includes("edg/")||e.includes("edge/"):return"edge";case e.includes("chromium/"):return"chromium";case e.includes("chrome/"):return"chrome";case e.includes("seamonkey/"):return"seamonkey";case e.includes("firefox/"):return"firefox";case e.includes("safari/"):return"safari";case e.includes("YaBrowser/"):return"ya";case e.includes("trident/"):return"ie";default:return"unknown"}}()){case"opera":return"Opera";case"edge":return"Edge";case"chromium":return"Chromium";case"seamonkey":return"Seamonkey";case"firefox":return"Firefox";case"safari":return"Safari";case"ya":return"Yandex";case"brave":return"Brave";case"ie":return"Internet Explorer";default:return"Chrome"}};function r(){return navigator.userAgent.includes("Mac OS")&&!function(){const e=navigator.userAgent.includes("iPhone OS"),r=navigator.userAgent.includes("Macintosh")&&Boolean(navigator.maxTouchPoints&&navigator.maxTouchPoints>2);return e||r}()}const a=(()=>{try{return JSON.parse(inlineScript.dataset.meta||"{}")}catch{}})(),n=document.querySelector(`#${a?.id}`),s=e(),t=(e,r)=>{r&&console.warn(`The small size has not been implemented ye

Key Features

More than a Grammar Checker Free Grammar Checker2000+ organizations trust our AI-based writing toolsTry the LanguageTool Editor for a Better Writing ExperienceCreate your free accountOur Browser Add-On Works Anywhere on the WebThe Most International Writing ToolReach Your Potential With StatisticsElevate Your Writing With the Grammar, Spell, and Style Checker for WindowsElevate Your Writing With the Grammar, Spell, and Style Checker for macOSIntegrates With Your Favorite Office Program

Pros

30+ languages in one tool — saved switching appsParaphrase tool fixed my clunky sentencesPremium at $5/month is cheapest grammar tool

Cons

Free tier limits to basic grammarStyle suggestions can be conservative

Pricing

LanguageTool offers pricing starting at Free Premium $5/month. Enterprise pricing is available for large teams.

Conclusion

LanguageTool is a reliable choice for users who need AI-powered solutions for Open-source grammar and spell checker.

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Quick Info

PricingFREEMIUM · Free Premium $5/month

CategoryDeveloper Tools

Updated9/8/2026

Visit Website

4.6

197 reviews