1. Grammarly
Grammar, spelling and tone suggestions everywhere you write.
Why it replaces LanguageTool: Another Writing extension worth comparing against LanguageTool.
Best LanguageTool Alternatives in 2026
LanguageTool is a strong option, but it is not the right fit for everyone. Below are 2 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. |
| Grammarly | 4.5 | 36M+ | Freemium | Professionals and students who write daily in the browser and want a safety net before hitting send. |
| Wordtune | 4.6 | 1M+ | Freemium | Non-native English writers and marketers polishing short-form copy. |
LanguageTool alternatives in detail
View Extension
2. Wordtune
AI rewriting assistant that rephrases sentences in context.
Why it replaces LanguageTool: Another Writing extension worth comparing against LanguageTool.
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?
Grammarly is the closest match. Another Writing extension worth comparing against LanguageTool.
Is there a free alternative to LanguageTool?
Most options in this category are freemium, with a usable free tier for evaluation.
Why switch away from LanguageTool?
Common reasons are pricing, missing sync or team features, and specific limitations: Style suggestions are lighter than Grammarly; Premium needed for longer texts.