LanguageTool Plus is a proofreading service
for English and German

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.' messages.improved_error_detection4_example input: text, output: JSON with the detected error

Pricing

Free

2500 characters per check (instead of 1500)

  • More than 1000 patterns for finding errors
  • 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 (German only)
  • Detection of more than 25 other additional errors
  • API access

0€

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A good fit for everyone

Premium



25,000 characters per check

  • More than 1000 patterns for finding errors
  • 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 (German only)
  • Detection of more than 25 other additional errors
  • API access

19€

can be cancelled any month
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all prices incl. VAT
For students, authors, freelancers

Enterprise

25,000+ characters per check

  • More than 1000 patterns for finding errors
  • 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 (German only)
  • Detection of more than 25 other additional errors
  • API access

 

A good fit for companies, agencies, publishing houses