RTF to HTML .Net convert Text, DOCX, RTF documents into HTML/XHTML documents with CSS.


«RTF to HTML .Net» is 100% written in C# .NET assembly which provides a wide set of API for developers. It gives you ability to add these functions:

General Functions

The SDK is 100% C# .NET library with wide abilities of exporting any RTF (rich text format) and Text document to HTML, XHTML with and without CSS.

The component supports conversion of RTF to HTML with:

  • Full text formatting (font face, color, size, bold, italic, underline, double underline, strike, superscript, subscript).
  • Images in JPG, PNG, GIF, BMP formats (stored separately or inside HTML document using base64 encoding).
  • Tables (borders, background, nested tables, merged cells, nested tables).
  • Font colors, face, size.
  • Hyperlinks and anchors.
  • Ordered and unordered lists.
  • Tracking changes.
  • Full Unicode support.
  • Special characters.

Compatibility with W3C standards

We give a lot consideration of testing our HTML documents at W3C Markup validation service after each release of the component.

HTML documents converted by «RTF to HTML .Net» are completely valid with W3C rules.

«RTF to HTML .Net» is completely compatible with HTML 4.01 standards «RTF to HTML .Net» is completely compatible with XHTML standards «RTF to HTML .Net» is completely compatible with CSS standards

Requirements and Technical Information

В«RTF to HTML .NetВ» can be used on 32 and 64-bits platforms with .NET Framework 4.0 and higher, .NET Core 2.0 and higher. The component doesn't require Internet Explorer, Microsoft Office or any other software. It's absolutely standalone and independent library.

The DOCX conversion works starting from .NET Framework 4.0 and higher, .NET Core 2.0 and higher. If you are looking for a standalone C# library to create and parse Word documents, try our Document .Net.

Our product is compatible with all .NET languages and supports all Operating Systems where .NET Framework can be used. Note that В«RTF to HTML .NetВ» is entirely written in managed C#.

.Net Framework 4.0 and higher and .Net Core 2.0 and higher

.NET Framework 4.0, 4.5, 4.6.1 and higher.

.NET Standard 2.0

.NET Core 2.0 and higher.

Multi-platform component, runs on:

Our component has proven itself on cloud platforms and services:

  • Microsoft Azure
  • Amazon Web Services (AWS)
  • Google Cloud Platform
  • SharePoint
  • Docker
  • etc.

The library offers developers high quality conversion at reasonable prices. The main point of interest is that «RTF to HTML .Net» is less expensive than all of its more or less popular counterparts. For example, a single license cost $439(US) with no additional fees or royalties!

  1. Save time and cost of the product development. The writing of own converter in C# requires a lot of days of hard work and takes approx 50 000 C# code lines. " RTF to HTML .Net" will save a lot of my time and I'll need only to add the reference to "SautinSoft.RtfToHtml.dll" and write 3-4 C# code lines.

  2. The one product provides me by set of API to convert Text, DOCX and RTF document at various formats at once: HTML 3.2, 4.01, HTML5 and XHTML with CSS.

  3. Because of this is absolutely standalone .NET assembly, my clients don't need to have MS Word, Internet Explorer or other software.

  4. My software will produce well-formed HTML compatible with all W3C standards, you may check this.

  5. The one time price. I pay a one time and can use «RTF to HTML .Net» for a whole life without any additional fees. My license will never expires.

  6. As bonus, I get unlimited technical support during a whole life for free and independently of the date of my purchasing.

To see this functionality firsthand, download the freshest "RTF to HTML .Net" with code examples 49.2 Mb.


If you need a new code example or have a question: email us at support@sautinsoft.com or ask at Online Chat (right-bottom corner of this page) or use the Form below:

Questions and suggestions from you are always welcome!

We are developing .Net components since 2002. We know PDF, DOCX, RTF, HTML, XLSX and Images formats. If you need any assistance with creating, modifying or converting documents in various formats, we can help you. We will write any code example for you absolutely free.

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