German Grammar Checker

Check German spelling, grammar and punctuation for free. Paste your text, press Check and fix mistakes in one click. Kostenlose Rechtschreib- und Grammatikprüfung.

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What the German grammar checker catches

  • Noun capitalization (der Hund, not der hund)
  • Umlauts ä, ö, ü and ß
  • Comma rules, including commas before dass and weil
  • Case and gender agreement
  • Compound words and common spelling errors

Common German mistakes

IncorrectCorrectRule
Ich habe einen hund.Ich habe einen Hund.All nouns are capitalized
Das Wetter ist schon heute.Das Wetter ist schön heute.schon vs schön (umlaut)

How to check your German text

  1. Paste or type your German text into the editor above. The language is already set to German, and you can switch to Austrian or Swiss German in the language menu.
  2. Press Check text. Mistakes are highlighted and explained on the right.
  3. Click a suggestion to accept it, or press Fix all, then copy your corrected text.

About German

German is spoken in Germany, Austria, Switzerland and beyond. Its capitalization and comma rules trip up native speakers and learners alike.

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Frequently asked questions

Is the German grammar checker free?

Yes. It is completely free, with no sign-up and no download.

Does it support Swiss German spelling?

Yes. Choose Deutsch Schweiz in the language menu. Swiss spelling uses ss instead of ß.

Is my German text stored?

No. Your text is checked and then discarded. SpellMistake does not save it.