LanguageTool
WritingFreemium
Open-source grammar checker supporting 30+ languages.
4.712,500 reviews2M+
View Extension
Grammarly
Grammar, spelling and tone suggestions everywhere you write.
Grammarly screenshots
Overview
Grammarly checks grammar, spelling, clarity and tone in almost any text field in the browser — email, docs, CMS editors and social posts. The premium tier adds full-sentence rewrites, tone adjustment and plagiarism detection, while the generative assistant can draft and shorten text on request.
Key features
Real-time grammar checking
Inline underlines with one-click corrections in any text field.
Tone detection
See how your message is likely to read before sending it.
Generative rewriting
Shorten, expand or restyle a paragraph on request.
Plagiarism detection
Premium check against billions of web pages.
Pros
- Works in nearly every text field
- Strong clarity and tone feedback
- Generative drafting and rewriting
- Team style guides on business plans
Cons
- Premium is required for the best rewrites
- Can feel intrusive in code editors
- Text is processed in the cloud
Who should use Grammarly?
Professionals and students who write daily in the browser and want a safety net before hitting send.
Pricing
Grammarly is freemium — From $12/mo. The free tier is usable for evaluation; compare paid tiers before committing a team.
Grammarly alternatives
Extensions people compare with Grammarly most often.
Wordtune
WritingFreemium
AI rewriting assistant that rephrases sentences in context.
4.62,400 reviews1M+
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Monica AI
AIFreemium
AI copilot for chat, translation and writing on any site.
4.932,200 reviews3M+
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Merlin AI
AIFreemium
One AI assistant for summarising, writing and answering on any page.
4.88,800 reviews900K+
View ExtensionSimilar extensions
LanguageTool
WritingFreemium
Open-source grammar checker supporting 30+ languages.
4.712,500 reviews2M+
View ExtensionWordtune
WritingFreemium
AI rewriting assistant that rephrases sentences in context.
4.62,400 reviews1M+
View ExtensionFrequently asked questions
Is Grammarly free?
Grammarly is freemium, with paid plans from $12/mo.
Is Grammarly safe to install?
Grammarly is published by Grammarly. As with any extension, review the permissions it requests before installing and remove it if you stop using it.
What are the best Grammarly alternatives?
The closest alternatives are LanguageTool, Wordtune, Monica AI.
Related extensions to Grammarly
Picked from the Writing category and the tags grammar, writing, ai writer — jump straight to the alternatives and head-to-head pages people open next.
LanguageTool alternativesOpen-source grammar checker supporting 30+ languages.Wordtune alternativesAI rewriting assistant that rephrases sentences in context.Monica AI alternativesAI copilot for chat, translation and writing on any site.Merlin AI alternativesOne AI assistant for summarising, writing and answering on any page.Grammarly vs LanguageToolIs LanguageTool as good as Grammarly?Grammarly vs WordtuneGrammarly or Wordtune for rewriting?LanguageTool vs WordtuneLanguageTool or Wordtune: which should I install?All Writing extensionsEvery writing extension in the directory, ranked.
Compare Grammarly with the obvious rivals
Side-by-side feature tables, pricing and a clear recommendation.
Grammarly vs LanguageToolThe market leader against the open-source challenger with self-hosting and stronger multilingual support.Grammarly vs WordtuneCorrectness-first editing versus rewriting and tone control for the same sentence.Grammarly alternativesRanked replacements if Grammarly is not the right fit.All comparisonsThe full compare hub, grouped by category.
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