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DeepL vs LanguageTool

DeepL: Natural-sounding translation for text and whole documents. LanguageTool: A multilingual grammar, spelling and style checker that works in your browser and apps. Here is how they compare on features, pricing, platforms, pros and cons.

Quick verdict

DeepL

Best for: Anyone translating emails, documents or websites between languages.

Stands out for: Natural, fluent translations; Keeps document formatting.

LanguageTool

Best for: People who write in more than one language.

Stands out for: Wide language coverage; Useful free version.

Side-by-side comparison

Comparison of DeepL, LanguageTool
Visit deepl.com (opens in a new tab)Visit languagetool.org (opens in a new tab)
What it isNatural-sounding translation for text and whole documents.A multilingual grammar, spelling and style checker that works in your browser and apps.
Pricing
Free + Paid
Free + Paid
Free to useYesYes
CategoryAI WritingAI Writing
Editor rank#3 in category#6 in category
Made byDeepLLanguageTooler GmbH
Best forAnyone translating emails, documents or websites between languages.People who write in more than one language.
Key features
  • Document translation that keeps formatting
  • Formal and informal tone options
  • DeepL Write for rewording
  • Supports many languages
  • Browser extensions and office add-ons
  • AI paraphrasing
  • Personal dictionary
Pros
  • Natural, fluent translations
  • Keeps document formatting
  • Desktop and mobile apps
  • Wide language coverage
  • Useful free version
Cons
  • Supports fewer languages than some rivals
  • Free plan limits file size and volume
  • Advanced style checks need the paid plan
Use it to
  • Translate a whole Word or PDF document
  • Polish text with DeepL Write
  • Translate text inside any app on desktop
  • Check an email written in German or French
  • Fix grammar in a Google Doc
  • Rephrase a clumsy sentence
Web app
iPhone & iPad
Android
Windows
Mac
Chrome extension
API

DeepL vs LanguageTool: questions

Is DeepL better than LanguageTool?

Neither wins for everyone. Our editors rank DeepL slightly higher overall in AI Writing, but LanguageTool can be the better fit: People who write in more than one language.

Which is free, DeepL or LanguageTool?

Both can be used without paying: DeepL is free + paid and LanguageTool is free + paid. Paid plans add more usage or features.

Can I use DeepL and LanguageTool together?

Yes. Many people keep both and pick per task, for example translate a whole Word or PDF document with DeepL, and check an email written in German or French with LanguageTool.

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