Add Microsoft Office-inspired spell checking to ASP.NET applications.
Prices from:
| Available in | |
|---|---|
| DevExpress ASP.NET and Blazor | Loading |
| DevExpress DXperience | Loading |
| DevExpress Universal | Loading |
| DevExpress VCL Subscription + | Loading |

Provides a spell checking UI similar to Microsoft Word and Outlook, enabling familiar interactions such as correcting and ignoring words or adding them to a custom dictionary.
Ships with built-in support for various dictionary file formats including ISpell, OpenOffice, and Hunspell, along with customizable user dictionaries.
Integrates with DevExpress ASP.NET controls like the Rich Text Editor, GridView, and Memo fields, as well as other text-containing elements within your web projects.
Includes an options dialog for end-users to customize spell checking behavior, such as ignoring uppercase words, managing custom dictionary entries, and selecting languages.
Offers a rich client-side API and server-side event handling, allowing developers full control over spell checking processes and interactions within applications.
Enables spell checking for all text-aware controls inside a container or for individually specified controls, providing flexible coverage for complex page layouts.
Facilitates the creation, editing, and saving of custom dictionaries to accommodate domain-specific vocabulary.
Designed to work across modern desktop browsers and mobile platforms, ensuring spell checking functionalities are consistent and accessible on various devices.
Includes support for web accessibility standards, helping developers build compliant applications that accommodate diverse user needs.
Review the details below to ensure this product is supported within your environment.
DevExpress ASP.NET Web Forms Spell Checker is included in DevExpress ASP.NET Web Forms which is part of DevExpress ASP.NET and Blazor. It is also available in DevExpress Dxperience and DevExpress Universal subscriptions.
DevExpress ASP.NET and Blazor, and JavaScript controls are also available as part of the DevExpress VCL+ Subscription.
Compare DevExpress Subscription Plans and Products.
| DevExpress ASP.NET and Blazor (inc. DevExtreme) | |
|---|---|
| Summary | |
| Included Technologies | |
| .NET App Security & Web API Service | Not included |
| .NET MAUI (Mobile) Controls | Not included |
| Angular Components | Included |
| ASP.NET Bootstrap Controls | Included |
| ASP.NET Core Controls | Included |
| ASP.NET Core Office Controls | Included |
| ASP.NET MVC Client-Side Controls | Included |
| ASP.NET MVC Extensions | Included |
| ASP.NET Web Forms Controls | Included |
| Blazor UI Components | Included |
| Business Intelligence Dashboard | Not included |
| CodeRush for Visual Studio | Not included |
| jQuery Components | Included |
| Office File API | Not included |
| React Components | Included |
| Reporting | Included |
| Vue Components | Included |
| WinForms Controls | Not included |
| WPF Controls | Not included |
| XAF - Cross-Platform .NET App UI | Not included |
| XPO - ORM Library | Included |
| UI Frameworks & Controls | |
| .NET MAUI Controls | |
| ASP.NET Bootstrap Controls | |
| ASP.NET Core Controls | |
| ASP.NET Core Office Controls | |
| ASP.NET MVC Client-Side Controls | |
| ASP.NET MVC Extensions | |
| ASP.NET Web Forms Controls | |
| Blazor UI Components | |
| WinForms Controls | |
| WPF Controls | |
| JavaScript & Front-End Components | |
| Angular Components | |
| jQuery Components | |
| React Components | |
| Vue Components | |
| Reporting & Business Intelligence | |
| Business Intelligence Dashboard | |
| Reporting | |
| Data Access & Backend Services | |
| .NET App Security and Web API Service | |
| Office File API | |
| XPO - ORM Library | |
| Application Frameworks | |
| XAF - Cross-Platform .NET App UI | |
| Developer Productivity & Tooling | |
| CodeRush for Visual Studio | |
| TestCafe | |
| Additional Resources | |
| Other Features | |
| Source Code* | |
DevExpress, founded in 1998 and headquartered in Glendale, California, specializes in developer-focused UI components, libraries, and frameworks designed for .NET, Blazor, ASP.NET, WPF, WinForms, JavaScript, VCL (Delphi/C++Builder), and cross-platform environments. Its extensive product portfolio includes popular offerings such as DevExtreme for JavaScript UI, powerful reporting and dashboard solutions, CodeRush productivity extensions, and frameworks like XAF for rapid app development. DevExpress is known for delivering frequent updates, strong accessibility features, and a consistent developer experience, helping IT professionals build responsive, high-performance desktop, web, and mobile applications for a wide range of platforms.

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