RTF-to-HTML DLL .NET usually refers to standalone class libraries or managed software components designed for developers to convert Rich Text Format (.rtf) files or strings into HTML format within the Microsoft .NET framework. While there are multiple developer toolkits available for this purpose, the name specifically correlates to a well-known proprietary library developed by SautinSoft, alongside popular alternative packages. 📦 Major Implementations 1. SautinSoft.RtfToHtml
The commercial component historically named “RTF-to-HTML DLL .Net” is authored by SautinSoft. It functions entirely as a managed C# assembly (SautinSoft.RtfToHtml.dll) requiring zero dependencies on Microsoft Word or external software engines.
Target Frameworks: Fully updated to support modern modern ecosystems including .NET 6, .NET 8, and .NET 9, as well as legacy .NET Framework 4.6.2 – 4.8.
Multi-Platform: Works across Windows, Linux, macOS, Android, and iOS.
Key Features: It extracts images from RTF and converts them to external files or transforms them into internal Base64 embedded strings. It generates modern HTML5, XHTML, or strict HTML 4.01 formats, carrying CSS either inside styles tags or inline. Basic Code Usage (C#):
using SautinSoft; RtfToHtml r = new RtfToHtml(); r.Convert(“example.rtf”, “Result.html”, new HtmlFixedSaveOptions() { Title = “Document” }); Use code with caution. 2. Open-Source Alternatives
If you prefer an open-source option instead of a proprietary commercial DLL, developers frequently use the following libraries via the NuGet package manager:
RtfPipe: A highly popular, completely rewritten open-source library specifically for parsing RTF streams and rendering them cleanly into HTML strings. It is widely used in .NET Core and .NET Standard setups.
Itenso.Rtf.Converter.Html.dll: An older, open-source structural RTF parsing library often used in legacy WinForms or WPF solutions. Converting RTF format to HTML tags – Stack Overflow
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