Multilingual spellchecking component for ASP.NET AJAX applications.
Prices from:
| Available in | |
|---|---|
| Telerik UI for ASP.NET AJAX | Loading |
| Telerik DevCraft | Loading |

Attach spellchecking functionality to any editable element such as textboxes, divs, iframes, and textareas within ASP.NET AJAX applications to verify and correct textual content dynamically.
Utilizes a client-side algorithm that avoids postbacks to the server, ensuring a responsive user experience and efficient performance during the spellchecking process.
Supports spellchecking across multiple languages simultaneously on a single page, allowing seamless content verification in diverse language contexts.
Enables developers to define and implement custom dictionaries including subject-specific lists, facilitating accurate spellchecking tailored to specialized vocabulary such as medical terminology.
Offers optional phonetic-based checking to suggest corrections based on similar sounds, enhancing detection of misspelled words beyond straightforward dictionary matches.
Automatically ignores inline JavaScript and CSS within checked content, ensuring that code snippets do not interfere with the spellchecking results.
Provides options to localize, reskin, or completely redesign the spellchecker interface, allowing adaptation to the application's look and user interaction model.
Capable of triggering spellchecks across multiple designated controls at once, streamlining content verification in complex forms or pages with several editable regions.
Review the details below to ensure this product is supported within your environment.
Telerik UI for ASP.NET AJAX Spell is included as part of Telerik UI for ASP.NET AJAX which is also available in Telerik DevCraft.
Compare the features between Telerik UI for ASP.NET AJAX and Telerik DevCraft.
| Telerik UI for ASP.NET AJAX Subscription | |
|---|---|
per developer, per year | |
| Products Included | |
| AI Coding Assistant | Included |
| Agentic UI Generator | Not included |
| Page Templates & Building Blocks | Not included |
| ThemeBuilder | Not included |
| KendoReact | Not included |
| Kendo UI | Not included |
| Telerik UI for ASP.NET AJAX | Included |
| Telerik UI for ASP.NET MVC | Not included |
| Telerik UI for ASP.NET Core | Not included |
| Telerik UI for Blazor | Not included |
| Telerik UI for .NET MAUI | Not included |
| Telerik UI for WinUI | Not included |
| Telerik UI for WPF | Not included |
| Telerik UI for WinForms | Not included |
| Telerik Document Processing Libraries | Included |
| Telerik Reporting | Not included |
| Telerik JustMock | Not included |
| Telerik Report Server | Not included |
| Single Sign-On Support | |
| Source Code | |
| Support Services | |
| .NET MAUI Components | |
| Angular Components | |
| ASP.NET AJAX Components | |
| ASP.NET Core Components | |
| ASP.NET MVC Components | |
| Blazor Components | |
| Document Processing | |
| jQuery Components | |
| JustMock Features | |
| React Components | |
| Report Server Features | |
| Reporting Features | |
| ThemeBuilder Features | |
| Vue Components | |
| WinForms Components | |
| WPF Components | |
| WinUI Components | |
Telerik, founded in 2002 and headquartered in Sofia, Bulgaria, develops UI component libraries, reporting tools, and testing solutions for .NET and JavaScript application development. Its flagship products include Telerik DevCraft, a collection of UI, reporting, testing, and productivity tools for Microsoft development platforms, and Kendo UI, a suite of JavaScript UI libraries for frameworks including Angular, React, and Vue. Telerik also provides document processing, reporting, and automated testing technologies designed for web, desktop, and mobile software development environments.

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