1. Wordtune
AI rewriting assistant that rephrases sentences in context.
Why it replaces LanguageTool: Wordtune is a solid alternative in the same category as LanguageTool.
Best LanguageTool Alternatives in 2026
LanguageTool is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About LanguageTool
LanguageTool proofreads text in more than thirty languages with an option to self-host the checking server, which appeals to teams with strict data rules. The browser extension underlines issues inline and explains each suggestion.
Comparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| LanguageTool (original) | 4.7 | 2M+ | Freemium | Multilingual writers and privacy-conscious teams who want a self-hostable alternative to Grammarly. |
| Wordtune | 4.6 | 1M+ | Freemium | Non-native English writers and marketers polishing short-form copy. |
| Grammarly | 4.5 | 37M+ | Freemium | Professionals and students who write daily in the browser and want a safety net before hitting send. |
| Justdone: GPT-4o AI Writing Assistant & Grammar Checker | — | — | Free | Elevate your writing with Justdone — your all-in-one tool for grammar checking, paraphrasing, AI writing, and more. |
| Grammar Checker and AI tool - Correcto | — | — | Free | Improve your writing with the AI-powered online grammar and spelling checker in Spanish and our paraphrasing tool. |
| Zoho BluePencil: Free Grammar & Spell Checker | — | — | Free | Your secure writing assistant that gives you spelling, grammar, and style suggestions as you type. |
| Fix Grammar and Spelling | — | — | Free | Instantly fix grammar and improve your writing in any text field. Check typos, preview changes, and apply corrections with one click |
| Outwrite — Grammar checker & rewrite tool | — | — | Free | Write perfect content with Outwrite. Check spelling & grammar, improve writing style, find synonyms and paraphrase sentences. |
| Google Dictionary (by Google) | 4.4 | 3M+ | Free | View definitions easily as you browse the web. |
| Google Input Tools | 4.0 | 3M+ | Free | Input Tools lets you type in the language of your choice. |
| Animalese Typing | 4.2 | 300K+ | Free | Plays Animal Crossing sounds whenever you type! |
LanguageTool alternatives in detail
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2. Grammarly
Grammar, spelling and tone suggestions everywhere you write.
Why it replaces LanguageTool: Grammarly is a solid alternative in the same category as LanguageTool.
3. Justdone: GPT-4o AI Writing Assistant & Grammar Checker
Elevate your writing with Justdone — your all-in-one tool for grammar checking, paraphrasing, AI writing, and more.
Why it replaces LanguageTool: Covers similar ground in the Writing category: Elevate your writing with Justdone — your all-in-one tool for grammar checking, paraphrasing, AI writing, and more.
4. Grammar Checker and AI tool - Correcto
Improve your writing with the AI-powered online grammar and spelling checker in Spanish and our paraphrasing tool.
Why it replaces LanguageTool: Covers similar ground in the Writing category: Improve your writing with the AI-powered online grammar and spelling checker in Spanish and our paraphrasing tool.
5. Zoho BluePencil: Free Grammar & Spell Checker
Your secure writing assistant that gives you spelling, grammar, and style suggestions as you type.
Why it replaces LanguageTool: Covers similar ground in the Writing category: Your secure writing assistant that gives you spelling, grammar, and style suggestions as you type.
6. Fix Grammar and Spelling
Instantly fix grammar and improve your writing in any text field. Check typos, preview changes, and apply corrections with one click
Why it replaces LanguageTool: Covers similar ground in the Writing category: Instantly fix grammar and improve your writing in any text field. Check typos, preview changes, and apply corrections with one click
7. Outwrite — Grammar checker & rewrite tool
Write perfect content with Outwrite. Check spelling & grammar, improve writing style, find synonyms and paraphrase sentences.
Why it replaces LanguageTool: Covers similar ground in the Writing category: Write perfect content with Outwrite. Check spelling & grammar, improve writing style, find synonyms and paraphrase sentences.
8. Google Dictionary (by Google)
View definitions easily as you browse the web.
Why it replaces LanguageTool: Another popular Writing extension: View definitions easily as you browse the web.
9. Google Input Tools
Input Tools lets you type in the language of your choice.
Why it replaces LanguageTool: Another popular Writing extension: Input Tools lets you type in the language of your choice.
10. Animalese Typing
Plays Animal Crossing sounds whenever you type!
Why it replaces LanguageTool: Another popular Writing extension: Plays Animal Crossing sounds whenever you type!
Compare LanguageTool head-to-head
Direct comparisons with the extensions people weigh against it.
Grammarly vs LanguageToolThe market leader against the open-source challenger with self-hosting and stronger multilingual support.LanguageTool vs WordtuneBoth are writing extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.All comparisonsThe full compare hub, grouped by category.
Explore further
Frequently asked questions
What is the best alternative to LanguageTool?
Wordtune is the closest match. Wordtune is a solid alternative in the same category as LanguageTool.
Is there a free alternative to LanguageTool?
Yes — Justdone: GPT-4o AI Writing Assistant & Grammar Checker, Grammar Checker and AI tool - Correcto, Zoho BluePencil: Free Grammar & Spell Checker are free.