For example, detects the typo in 'ISBN 978-1784713936' Detects errors like 'Sehr geehrte Frau Andreas Müller' For example, suggests 'found' in 'Man returns wallet he fount.' Some examples:
  • Create two strips with an event amount of wax on each strip. -> even
  • I'm kinder bored. -> kind of
  • I don’t the answer. -> verb missing
input: text, output: JSON with the detected error

Reviews

  • This application has helped me a lot. Thank you for this fine tool! (Cosmonaut Rico)
  • I love LanguageTool! I have been using it in LibreOffice for years. It's the best. (Scott Harpster)
  • Finally, it is a good grammar checker, catching a decent range of agreement errors and style weaknesses. I've been a paid user for two months now and I'm very pleased with it. (Tim Richardson)

Pricing

Free

2000 characters per check

languagetool.org

  • More than 1700 patterns for finding errors (English)
  • More than 2400 patterns for finding errors (German)
  • Add-on for Microsoft Word (more...)
  • Detection of wrong gender in salutation (German only)
  • Additional word pairs for statistical detection of typos
  • Detection of incorrect checksums in ISBN and IBAN numbers
  • Detection of more than 75 other additional errors
  • API access

Premium

40,000 characters per check

languagetoolplus.com

  • More than 1700 patterns for finding errors (English)
  • More than 2400 patterns for finding errors (German)
  • Add-on for Microsoft Word (more...)
  • Detection of wrong gender in salutation (German only)
  • Additional word pairs for statistical detection of typos
  • Detection of incorrect checksums in ISBN and IBAN numbers
  • Detection of more than 75 other additional errors
  • API access

less than €5/month
For students, authors, freelancers

Enterprise

40,000+ characters per check

languagetoolplus.com

  • More than 1700 patterns for finding errors (English)
  • More than 2400 patterns for finding errors (German)
  • Add-on for Microsoft Word (more...)
  • Detection of wrong gender in salutation (German only)
  • Additional word pairs for statistical detection of typos
  • Detection of incorrect checksums in ISBN and IBAN numbers
  • Detection of more than 75 other additional errors
  • API access


A good fit for companies, agencies, publishing houses

Add-on for Microsoft Word

We offer an add-on (beta version) for Microsoft Word 2013-2016 and Outlook 2013-2016 on Windows, exclusively for Premium users.

(Download available to premium users at languagetoolplus.com)

  • Step 1

    With the help of the word add-on you can use languagetoolplus.com directly in Word. After installing the add-on, you will have a “Check Page” button in the top right-hand corner of your document. Whenever you would like to check your text, just click that button.

  • Step 2

    After languagetoolplus.com has checked your text, the detected incorrect words and phrases will be shown in a list.

  • Step 3

    If you click on one of these words, a window will pop up giving you an explanation and a suggestion.

  • Step 4

    If you click on a suggested correction, it will substitute the original word...

  • Step 5

    ...and the marker will be gone.

Add-on for LibreOffice

Add-on for Firefox and Chrome

LanguageTool also works in your browser - check the text you enter in text fields, or check selected text on websites.

Add-on for Google Docs

Use LanguageTool directly in Google Docs.

More Add-ons

Our community has developed add-ons and plugins for many programs.

Desktop version for offline use

LanguageTool can be downloaded for offline use. Note: this requires Java 8 or later to be installed and unless you install additional data, this will be less powerful than the version on this website. See this comparison table.

Other Downloads: Old releases · Daily builds

LibreOffice

Screenshot do LanguageTool
  • Se utilizar o LibreOffice, recomendamos a versión máis recente . Algunhas versións máis antigas teñen problemas no arranque.
  • Utilice Ferramentas -> Xestor de Extensións -> Agregar… no LibreOffice para instalar a extensión;
  • Reinicie o LibreOffice tras a instalación da extensión;
  • Se utilizar o LibreOffice 3.5.x (ou superior), desactive o LightProof e active o LanguageTool en Opcións -> Definicións de idioma -> Auxiliares de escrita -> Editar….

Outras versións

Os builds diarios experimentais, co estado máis recente de desenvolvemento, están dispoñíbeis en SNAPSHOTS (lista de novidades).

As versións antigas continúan dispoñíbeis no diretório de transferencias .

Licenza e Código-Fonte

O LanguageTool está dispoñíbel gratuitamente so a licenza LGPL. Para informacións sobre as licenzas dos compoñentes consulte o README.txt.

O código-fonte está dispoñíbel en GitHub .

korrekturen.de
Papyrus Autor
rechtschreibpruefung24.de
IServ
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