Inline Spelling Addon for the Winforms HTML Editor .NET

A spelling add-on license for the Winforms HTML Editor .NET.

No additional software is required as the code is built in to the existing HTML Editor .NET from version


  • Checks spelling of words as the user types with error highlighting
  • Spell check an entire document or HTML element
  • Integrated right click spelling context menu
  • Spell check and offer corrections via the API for an entire document or HTML element
  • Optional pop-up spelling dialog
  • Autocorrect pre-defined custom words 
  • Custom dictionaries - "Add to Dictionary" option included in spelling context menu
  • Multi-lingual - supports English, Spanish, French, Portuguese, German, Italian and most Latin-based languages
  • Language defaults to the system's default input language on Windows 8, 8.1, 10

Minimum requirements for the inline spelling capability

  • Windows 8, Windows 8.1, or Windows 10
  • HTML Editor .NET for Winforms version or greater