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The ASP.NET Rich Text Editor is a lightweight WYSIWYG HTML editor that provides the best user interface for creating and editing content. The Rich Text Editor provides a wide range of tools from the toolbar and quick toolbar to make the best WYSIWYG editor.

Rich Text Editor

WYSIWYG HTML editor Iframe mode

The ASP.NET Rich Text Editor supports Iframe editing with customized Iframe attributes. It also easily changes the appearance of Iframe editor’s content when using external CSS and script files.

Rich Text Editor

HTML editor toolbar

The WYSIWYG HTML editor toolbar provides a variety of commands for editing and formatting the content. You can format text, paragraphs, insert images, insert hyperlinks, insert tables, insert lists, etc. The tool commands are grouped together based on related functionality.

Rich Text Editor inline toolbar

Inline toolbar

The overflow toolbar commands hidden in the next row become visible when the toolbar is expanded via the expand icon.

Rich Text Editor custom toolbar

Custom tools

Users can add their own commands(tools) with actions to the toolbar along with built-in commands.

Editing experience

The ASP.NET Rich Text Editor component provides a wide range of tools and options for a better editing experience.

Formatting text

You can apply formatting to a selected content, whole paragraphs, or specific words or characters: * Apply formatting to headings, quotations, code, paragraphs, etc. * Bold, italicize, underline, strikethrough, or capitalize letters and words. * Select fonts and its size value. * Use subscripts and superscripts. * Select font color and the background color for the content.

ASP.NET Rich Text Editor format text

Images Insert in ASP.NET HTML WYSIWYG editor

Insert images

You can insert images to your content from a local path or server path with image captions and then link URLs to the images. Additionally you can shrink(resize) images based on your needs if the images are large.

You can insert or change the hyperlinks with customization options such as display text, tooltip, and link to be opened in a new window.

Hyperlinks Insert in WYSIWYG ASP.NET HTML editor

Insert tables in ASP.NET rich text editor

Insert tables

You can insert and edit HTML tables to display grid-like tabular data in WYSIWYG Rich Text Editor. Allows manipulation of the table and its elements dynamically such as insert/remove rows and columns, resize whole table or rows or columns, and remove a table.

Import and export in ASP.NET rich text editor

Import and export

The ASP.NET Rich Text Editor support to import a word document into the editor area and export the Rich Text editor content to PDF and Microsoft Word formats.

Find and replace

Rich Text Editor provides find and replace support, which is used to search for a keyword in editor content and replace the matched keyword with a specified text.

Find and replace in ASP.NET rich text editor

File and image browser in ASP.NET rich text editor

File browser

The Rich text editor control provides the support for file browsing, which is same as image browsing. Instead of image, the selected file path will be displayed in the editor.

ASP.NET rich text editor with print support

Print the WYSIWYG Rich Text Editor content either by using the print option from the toolbar or programmatically with applied format style.

ASP.NET rich text editor with clipboard operations

Cut, copy, and paste

The rich text editor typically allows users to use clipboard operations (cut, copy, and paste).

ASP.NET form validations

The ASP.NET Rich Text Editor seamlessly supports ASP.NET forms and validations.

ASP.NET rich text editor with validation

ASP.NET rich text editor with responsive

Touch-friendly and responsive WYSIWYG editor

The ASP.NET Rich Text Editor (mobile HTML editor) recognizes touch gestures, allowing the user to swipe left or right to move the toolbar. The responsive, mobile friendly design provides the best user experience on all mobiles, tablets, and desktop form factors.


ASP.NET rich text editor with localization support


You can customize all static texts used in the Rich Text Editor component using the localization library.

Show right-to-left in ASP.NET rich text editor

Right to Left (RTL)

The ASP.NET Rich Text Editor supports right-to-left rendering, allowing the text direction and layout of the text editor to be displayed from right to left. This improves the user experience and accessibility for RTL languages such as Arabic, Farsi, Hebrew, etc.

HTML editor accessibility

  • Fully supports WAI-ARIA accessibility that helps the editor be accessed by on-screen readers and assistive devices.
  • The UI element visuals such as foreground color, background color, line spacing, text, and images are designed based on the WCAG 2.0 standards.
  • Follows WAI-ARIA best practices for implementing all features using accessible keyboard shortcuts.

Developer-friendly APIs

There are sufficient client-side APIs available to optimize the process of editing content.


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