# SpellChecker for WinForms Overview

## Content

**SpellChecker for WinForms**, our .NET product for multi-language spell checking, has been re-engineered to provide the easiest-to-use and most efficient spell checker available on the market today. Just drop the **C1SpellChecker** and text box controls on your Windows Form, set one property, and experience Microsoft Word-like spell checking capable of processing 400,000 words per second!

C1SpellChecker adapts to your organization's needs – providing as-you-type spell checking, multi-language support, full customization, and more. Take advantage of the new functionality, speed, and flexibility – start using **C1SpellChecker** today.

![C1WinForms SpellChecker demo](https://cdn.mescius.io/document-site-files/images/2702e664-e746-4071-aa2c-2d460b47a45e/imagesext/spellcheckerwinforms.png)

| **Documentation** | **Blogs** |
| ------------- | ----- |
| [Create Your First Application with SpellChecker](/componentone/docs/win/online-spellchecker/spellcheckerforwinfo1) [SpellChecker Features](/componentone/docs/win/online-spellchecker/c1spellcheckerfundam) [Localization](/componentone/docs/win/online-spellchecker/settingthespelldialo) [Walkthrough Topics](/componentone/docs/win/online-spellchecker/spellcheckerwalkthrough) | [Multi-Language Spell-checking with C1RichTextBox](https://developer.mescius.com/blogs/multi-language-spell-checking-with-c1richtextbox) [SpellChecking C1Chart](https://developer.mescius.com/blogs/spellchecking-c1chart) |
| **Videos** | **Demo Samples** |
| [ComponentOne Controls](https://developer.mescius.com/videos/componentone) | [WinForms and WPF Demos](https://developer.mescius.com/componentone/demos) |

>type=note
> Note: ComponentOne SpellChecker for WinForms is compatible with both .NET and .NET framework.

| **API References** |  |
| -------------- | --- |
| [C1.Win.SpellChecker .NET Framework Assembly](/componentone/api/win/online-spellchecker/dotnet-framework-api/C1.Win.SpellChecker.4.8/C1.Win.SpellChecker.html) | [C1.Win.SpellChecker .NET Assembly](/componentone/api/win/online-spellchecker/dotnet-api/C1.Win.SpellChecker.10/C1.Win.SpellChecker.html) |