Syncfusion WinForms Spell Checker

SyncfusionProofing Tools.NET

Add advanced spell checking to WinForms applications.

  • Integrates Microsoft Word-style spell checking in WinForms apps.
  • Supports custom dictionaries and multiple languages.
  • Offers configurable visual styles and error correction options.
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Syncfusion WinForms Spell Checker product image
Syncfusion WinForms Spell Checker provides developers with the capability to integrate robust spell checking into their Windows Forms applications. It supports spell checking on text editor controls with options to correct misspelled words by suggestions, customize dictionaries, ignore special terms, and adjust visual themes to suit application design.

Microsoft Word-Like Spell Checking

Implements spell checking functionality similar to Microsoft Word, allowing users to identify, correct, and replace misspelled words within your application’s text inputs.

Custom Dictionary Support

Enables loading and using custom dictionaries in standard formats such as Hunspell, ISpell, and OpenOffice, allowing spell checking in different languages and cultures.

Runtime Language Switching

Allows changing the spell checking dictionary dynamically at runtime to support multiple languages and regional variations within the same application.

Error Correction Suggestions

Provides suggestions and alternatives for misspelled words through programmable APIs, helping users easily select the correct spelling options.

Ignore Special Words and Expressions

Offers configurable options to ignore spell checking on email addresses, URLs, HTML tags, uppercase or mixed-case words, file names, and alphanumeric expressions to reduce false positives.

Visual Styling and Themes

Supports multiple visual styles including Default, Metro, and various Office themes, enabling you to match the spell check interface with your application's overall look and feel.

Easy Integration with Text Editors

Designed to integrate seamlessly with WinForms text editor controls like RichTextBox and TextBox using simple APIs and interfaces like ISpellCheckerAdvEditorTools.

Extensive Documentation and Samples

Includes comprehensive documentation, code examples, and GitHub samples to facilitate quick adoption and implementation in your projects.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • .NET

.NET Version

  • .NET 10 LTS
  • .NET 9 STS
  • .NET 8 LTS
  • .NET 4.8 or earlier

.NET Platform

  • .NET WinForms

IDE Support

  • Visual Studio