Spell and
grammar check

Multilingual text checker WProofreader with a native CKEditor integration.

WProofreader SDK

  • Integrations for CKEditor 5 and CKEditor 4 as a part of software development kit (SDK).
  • Multilingual proofreading in as-you-type and in-dialog modes.
  • AI-driven spell and grammar check for English, German, and Spanish.
  • Spelling autocorrect and text autocomplete suggestions.
  • Suggestions available on hover with no clicking needed.
  • Compliance with WCAG 2.1 and Section 508 accessibility standards.


Custom dictionaries

Create user and company-level dictionaries with the correct spelling of your brand, products, employees’ names and corporate slang.

Grammar checker

Intelligent recognition of the sentence-level mistakes for many languages. Smart context-based correction suggestions available.

Specialized dictionaries

Specialized medical and legal spelling dictionaries are available in English and Spanish dialects and French.

Multilingual support

Proofread multilingual texts in many languages. Use language Auto Detect for sentence-level spelling and grammar correction in mixed content.

  • American English
  • Australian English
  • Arabic
  • Brazilian Portuguese
  • British English
  • Canadian English
  • Canadian French
  • Danish
  • Dutch
  • Finnish
  • French
  • German
  • Greek
  • Hebrew
  • Italian
  • Indonesian
  • Norwegian Bokmål
  • Norwegian Nynorsk
  • Portuguese
  • Spanish
  • Swedish
  • Turkish
  • Ukrainian

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