RTF to HTML in C#, VB.Net and ASP.Net, Text to HTML

RTF-to-HTML DLL .Net

What's RTF-to-HTML DLL .Net library?

The RTF-to-HTML DLL .Net is a robust and independent .Net assembly to convert Text, RTF documents into HTML/XHTML documents with CSS. The component is 100% created in managed C# and absolutely standalone. It doesn't require MS Office or any other word-processor.

General Functions

Our component is just a class library (.Net assembly) but with powerfull abilities of exporting:

RTF to plain HTML 3.2
RTF to HTML 4.01 with CSS
RTF to HTML 5 new!
RTF to XHTML 1.01
Text to HTML
RTF to Text

.Net library which add ability to your ASP.Net and WinForms application export RTF to HTML, RTF to Text and Text to HTML on fly!

The component supports converting with these features:

Full text formatting (bold, italic, underline, double underline, strike, superscript, subscript)
Images in WMF, EMF, JPG, PNG, BMP, GIF formats
Tables and nested tables, border colors and border types, background
Font colors, face, size
Hyperlinks and ancors
Full Unicode (include Japanese, Chinese, Arabic/Hebrew, Russian etc)
Special characters, such as €, ™, — etc.
RTL and LTR text direction
Bullets and ordered lists

The component has methods to convert between files, strings, array of bytes, memory stream objects.

Images can be extracted from RTF and saved to HDD as physical files or stored in memory or stored inside HTML using base64 algorithm.

Using our component allows you to adjust these properties in RTF to HTML converting

Specify output format: HTML 3.2, HTML 4.01, XHTML 1.01, HTML 5, Text
Where to link images to phisycal file on HDD or inside HTML document
Converting with CSS or without CSS
Save CSS between tags <style>...</style> or inline styles <tag style="...">
Specify encoding of output HTML
Title and set up converting only part of HTML between <body>...</body> tags
Set united font, size and color for document
Specify table borders
Set single measurement units: pixels, points, mm, ems, inches.
Set prefix to style class names in HTML
Default tags for paragraphs <p> or <div>

And a lot of other fun properties which allows you to make HTML document as you wish! See all properties in online documentation.

Platform Independence and Technical Features

The RTF-to-HTML DLL .Net requires only .Net 1.1 or higher platform. Using the RTF-to-HTML DLL .Net you can easily create any type of a 32-bit or 64-bit .NET application including ASP.NET, Web Services and WinForms . Our .Net assembly is Multi-Platform component, you may use it to build your application with Mono platform for Linux and Mac (http://www.mono-project.com).

100% Created with only managed C#
Absolutely standalone, you will need to only copy "SautinSoft.RtfToHtml.dll" into 'Bin' directory
No other dependencies
Has own RTF parser and HTML writer
Doesn't require Microsoft Office ® or any other dependencies
Works on any .Net platform (.Net 1.1, 2.0, 3.0, 3.5, 4.0 etc)
Works with Windows and even with Linux and Mac (thanks to Mono project http://www.mono-project.com)
Has great abilities to adjust an output HTML, XHTML or Text as you wish
Small size of assembly, less than 500 Kb

Compatibility with W3C standards

HTML and XHTML documents produced by our library are completely compatible with W3C standards. We give a lot consideration of testing our HTML documents at W3C Markup validation service after each release of the component.

Typical applications where our component can be used

News, emails, support information and hyperlink documents
Conversion of RTF (rich text format) from database to HTML purposely display it in ASP.Net page
Documents with tables structure and embedded graphics
Formatted reviews for internet blogs
Creating HTML emails with embeded images from RTF
Create viewers for RTF based documents

Requirements and compatibility .Net platform (1.1 or higher), because it's 100% managed C# library Works even in Medium Trust level 32-bit and 64-bit compatible Our products are compatible with all .NET languages and supports all Operating Systems where .NET Framework or Mono can be installed.
Supported Languages :	Supported Platforms :	Supported Platforms (Mono) :
• C#	• Windows 98	• Linux:
• VB.NET	• Windows ME	SUSE, Novell, Red Hat...
• C++.NET	• Windows NT	• Mac - OS X:
• Delphi.NET	• Windows 2000	ver.: 10.3, 10.4, 10.5, 10.6...
• J#	• Windows XP	• BSD:
• ColdFusion 8	• Windows Server 2003, 2008	OpenBSD, FreeBSD, NetBSD...
• ASP.NET	• Windows Vista	• Solaris 8.
and many more..	• Windows 7