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Overview

The ASP.NET Core Rich Text Editor is a feature-rich WYSIWYG HTML editor and WYSIWYG Markdown editor. The Rich Text Editor is widely used to create blogs, forum posts, notes sections, support tickets (incidents), comment sections, messaging applications, and more. The control provides an efficient user interface for a better editing experience with mobile support. It has a variety of tools to edit and format rich content and return a valid HTML markup or Markdown (MD) content. It allows users to insert images, links, tables, and lists with modular architectures.


Why choose Syncfusion ASP.NET Core Rich Text Editor?

ASP.NET Core WYSIWYG editor

WYSIWYG editor

The ASP.NET Core Rich Text Editor control can be used as a WYSIWYG HTML editor or a Markdown editor, and it also supports Iframe editing with configurable Iframe characteristics.

ASP.NET Core Rich Text Editor easy interaction

Easy interaction

You can easily format the text and paragraphs by setting the editor’s foreground and background colors, font type, italicization, underlining, strikethrough, and bolding. You can also add ordered (numbered) or unordered (bulleted) custom lists and change the editor’s size.

ASP.NET Core Rich Text Editor flexible editing

Flexible editing

For a better editing experience, the ASP.NET Core Rich Text Editor control offers a variety of tools and choices. So, you can quickly insert images, videos, hyperlinks, and tables; merge table cells; and configure keys.

ASP.NET Core Rich Text Editor preview the html code

Preview the HTML code

Examine and edit the HTML code directly in the source code and View the preview result (HTML live editor).

Tools in ASP.NET Core Rich Text Editor

Toolbar with rich set of tools

The WYSIWYG Rich Text Editor for ASP.NET Core offers a variety of toolbar options that are fully customizable. The options allow multirow, expanding, quick, and floating toolbars. The tool commands are grouped based on related functionality.

ASP.NET Core Rich Text Editor adaptive UI

Adapts to any resolution

The Rich Text Editor has a highly responsive layout and an optimized design for desktops, touch screens, and smart phones. It works well on all mobile phones that use iOS, Android, or Windows OS.

Third-party integration in ASP.NET Core Rich Text Editor

Integrate with third-party libraries

Easy to integrate third-party libraries like spell checker, code mirror, etc., with the Rich Text Editor to improve the content in the ASP.NET Core HTML text editor.

ASP.NET Core Rich Text Editor globalization

Globalization and localization

Enables users from different locales to use the Rich Text Editor by formatting dates, currency, and numbering to suit preferences.


ASP.NET Core Rich Text Editor code example

Easily get started with the ASP.NET Core Rich Text Editor using a few simple lines of a CSHTML and C# code example as demonstrated. Also, explore the ASP.NET Core Rich Text Editor example that shows how to render and configure the Rich Text Editor in ASP.NET Core.

<ejs-richtexteditor id="defaultRTE">
    <e-content-template>
        <div>
            <p>The Rich Text Editor is WYSIWYG ('what you see is what you get') editor is useful to create and edit content, and return the valid <a href='https://ej2.syncfusion.com/aspnetcore/RichTextEditor/Overview'>HTML markup</a> or <a href='https://ej2.syncfusion.com/aspnetcore/RichTextEditor/DefaultMode'>Markdown</a> of the content</p>
            <p><b>Key features:</b></p>
            <ul>
                <li>
                    <p>Provides &lt;IFRAME&gt; and &lt;DIV&gt; modes</p>
                </li>
                <li>
                    <p>Capable of handling markdown editing.</p>
                </li>
            </ul>
        </div>
    </e-content-template>
</ejs-richtexteditor>
public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }
}

HTML editor toolbar

The ASP.NET Core WYSIWYG text editor toolbar provides a variety of commands for editing and formatting content. Format text and paragraphs; insert images, hyperlinks, tables, lists; etc. The tool commands are grouped together based on related functionality.

ASP.NET Core WYSIWYG HTML editor MultiRow Toolbar

Multirow toolbar

The toolbar commands that overflow are wrapped into the following rows within the toolbar.

ASP.NET Core WYSIWYG HTML editor Expand Toolbar

Expand toolbar

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

ASP.NET Core Rich Text Editor with quick toolbar.

Quick toolbar

This toolbar contains frequently used commands related to text, images, tables, and links. It helps access and format these elements quickly, and also customize them.

ASP.NET Core WYSIWYG HTML editor Floating Toolbar

Floating the toolbar

The HTML WYSIWYG editor toolbar does not stick to the top of the editor, but floats within the editor area when scrolling the current page.

Fully customizable tools in ASP.NET Core Rich Text Editor.

Fully customizable

The toolbar buttons are fully customizable. Add or remove buttons and group commands based on category. This helps design the toolbar based on the application needs like for a HTML blog editor, HTML email composer, etc.

ASP.NET Core WYSIWYG HTML editor Custom Toolbar

Custom tools

Add your own commands (tools) with actions to the toolbar along with the built-in commands.


ASP.NET Core WYSIWYG inline HTML editor

Inline mode

The ASP.NET Core Rich Text Editor displays an inline HTML editor when the content in an editable area is clicked or selected.


Mention and hashtags

When composing content in the ASP.NET Core Rich Text Editor, users or groups can be tagged or selected from the suggestion list.

ASP.NET Core Rich Text Editor with mention and hashtags


Editing experience

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

Insert images in ASP.NET Core HTML WYSIWYG editor.

Insert images

Insert images in the content from a local path or server path with image captions and then link URLs to the images. Upload images to a server with drag and drop or file upload. Additionally, the editor offers options to insert images in BLOB or Base64 formats.

Insert hyperlinks in WYSIWYG ASP.NET Core HTML editor.

Insert or change the hyperlinks with customization options such as display text, tooltips, and links to be opened in a new window.

Insert tables in ASP.NET Core Rich Text Editor.

Insert tables

Insert and edit HTML tables to display grid-like tabular data in WYSIWYG Rich Text Editor. Manipulate the table and its elements dynamically (insert or remove rows and columns, resize whole table or rows or columns, and remove a table).

ASP.NET Core Rich Text Editor with table merge and split.

Table cell merge and split

Merge two or more row or column cells into a single cell with their contents. A single cell can be split both horizontally and vertically.

ASP.NET Core Rich Text Editor with text alignment tools.

Text alignment

The built-in settings are available to align your content to the left, center, right, or justify it.

Enter and Shift+Enter key configuration

The Rich Text Editor allows the tag inserted when pressing the Enter key and Shift+Enter keys to be customized. The following tags can be configured: * P: When ‘P’ is configured, pressing Enter or Shift+Enter will create a ‘p’ tag. * DIV: When ‘DIV’ is configured, pressing Enter or Shift+Enter will create a ‘div’ tag. * BR: When ‘BR’ is configured, pressing Enter or Shift+Enter will create a ‘br’ tag.


Formatting text

  • Format the selected content, whole paragraphs, or specific words or characters.
  • Format headings, quotations, code, paragraphs, etc.
  • Bold, italicize, underline, strikethrough, or capitalize letters and words.
  • Change paragraph indentation and spacing.
  • Select fonts and its size value.
  • Use subscripts and superscripts.
  • Select font color and the background color for the content.

ASP.NET Core Rich Text Editor formatting text


ASP.NET Core WYSIWYG HTML editor List

Adding lists

Create ordered (numbered) or unordered (bulleted) lists to organize content.


Custom lists

Change the bullet appearance for the unordered lists to circles or squares. Use different numbering formats for ordered lists such as lowercase Greek or uppercase Roman numerals.

ASP.NET Core WYSIWYG HTML editor Custom List


ASP.NET Core WYSIWYG HTML editor FullScreen

Full-screen text editor

Make the WYSIWYG HTML editor full screen (a full-page editor) for editing the content.


ASP.NET Core Rich Text Editor with clipboard operations.

Cut, copy, and paste

Use clipboard operations (cut, copy, and paste).

ASP.NET Core Rich Text Editor with undo redo actions.

Undo redo manager

The ASP.NET Core Rich Text Editor manages the undo/redo action history to store editing actions and also to customize the undo steps.


ASP.NET Core Rich Text Editor with format on pasting.

Paste from Microsoft Word and Excel

Paste content with images from Microsoft Word, Microsoft Outlook, and Microsoft Excel to the editor by filtering out tags, attributes, and styles. Additionally, choose whether the content should be pasted as plain text, cleaned styles, or source-formatted styles.


The ASP.NET Core Rich Text Editor is configured to turn text into a hyperlink automatically when a URL is typed as plain text.

Auto hyperlink URLs in ASP.NET Core Rich Text Editor.


ASP.NET Core WYSIWYG HTML editor Validation

ASP.NET Core form validations

The ASP.NET Core Rich Text Editor seamlessly supports forms and obtains values on form submission actions. The two types of validation are:

  • Required validation
  • Maximum-length validation

Limit content length

Restrict the content’s maximum number of characters.

ASP.NET Core WYSIWYG HTML editor Maximum length


ASP.NET Core WYSIWYG HTML editor Resize

Resizable editor

The ASP.NET Core Rich Text Editor has built-in resizable support that helps widen or shrink the content area.


Insert an image through File Manager

Integrated File Manager to insert images from cloud storage or the server.

ASP.NET Core WYSIWYG HTML editor File Manager


Responsive ASP.NET Core Rich Text Editor

Touch-friendly and responsive WYSIWYG editor

The ASP.NET Core Rich Text 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 mobile, tablet, and desktop form factors.

ASP.NET Core Rich Text Editor with cross-browser support

Cross-browser

The ASP.NET Core Rich Text Editor supports cross-browsers and cross-platforms. It also supports ie11 with the help of polyfills.


ASP.NET Core 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.

Show right-to-left in ASP.NET Core Rich Text Editor.

Right to left (RTL)

The ASP.NET Core 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 users of RTL languages such as Arabic, Farsi, Hebrew, etc.


HTML editor accessibility

  • Fully supports WAI-ARIA accessibility that helps the ASP.NET Core Rich Text 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.


Other supported frameworks

Rich Text Editor is also available in Blazor, React, Angular, Vue, and JavaScript frameworks. Check out the different Rich Text Editor platforms from the links below:




80+ ASP.NET CORE UI CONTROLS

Frequently Asked Questions

  • Edit WYSIWYG HTML and markdown content with a rich set of tools for modern web and mobile applications.
  • Easily incorporate into blogs editor, messages, HTML email composer, and discussion forum-like applications.
  • Make a floating toolbar or inline editor that allows you to select any editable element on the page and edit-in-place.
  • One of the best ASP.NET Core Rich Text Editor in the market that offers feature-rich UI to interact with the software.
  • Simple configuration and API.
  • Supports all modern browsers.
  • Mobile-touch friendly and responsive.
  • Expansive learning resources such as demos and documentation to learn quickly and get started with ASP.NET Core Rich Text Editor.

We do not sell the ASP.NET Core Rich Text Editor separately. It is only available for purchase as part of the Syncfusion ASP.NET Core suite, which contains over 80 ASP.NET Core components, including the Rich Text Editor. A single developer license for the Syncfusion Essential Studio for ASP.NET Core suite costs $995.00 USD, including one year of support and updates. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team to see if you qualify for any additional discounts.

You can find our ASP.NET Core Rich Text Editor demo, which demonstrates how to render and configure the Rich Text Editor.

No, our 80+ ASP.NET Core components, including Rich Text Editor, are not sold individually, only as a single package. However, we have competitively priced the product so it only costs a little bit more than what some other vendors charge for their Rich Text Editor alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all 80+ ASP.NET Core components for a flat fee of $995/developer. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team to see if you qualify for any additional discounts.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

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