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Convert RTF to PDF in C# .NET

Integrate robust document conversion features into your .NET applications with Conholdate.Total API. Convert RTF to PDF and 100+ other file formats without Microsoft Office dependencies. Major features include fully functional C# code examples with options for customizable RTF document, batch conversion, password protection & auto-detection of DOC, DOCX, DOTX & TXT file formats. It supports .NET Framework & .NET Core. Try our free online RTF to PDF converter tool & streamline document processing in your .NET projects.

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Convert RTF to PDF in C# .NET

Follow these simple steps for RTF to PDF conversion in .NET. View the converted PDF document as it is or render and display it as HTML without using any external software or .NET Word library.

Get the respective assembly files from the downloads or fetch the whole package from NuGet to add Conholdate.Total for .NET directly in your workspace.

  • Create Converter object to convert RTF document
  • Set the convert options for PDF format
  • Call Convert method of Converter class instance for conversion to PDF
  • Set options for HTML viewer
  • Create Viewer object to view converted PDF as HTML

Free App for RTF to PDF Conversion



// Supports converting documents between Word, Excel, PowerPoint, Project, Images, Web, Email, Metafiles and Diagram file formats.
// Supported file formats: https://docs.groupdocs.com/conversion/net/supported-document-formats/
using (Converter converter = new Converter("input.docx"))
{
var convertOptions = converter.GetPossibleConversions()["pdf"].ConvertOptions;
converter.Convert("output.pdf", convertOptions);
}

Convert RTF to PDF & Add Watermark

Accurately convert documents (RTF to PDF) exactly as the original file and apply text or image watermarks to PDF pages using .NET document processing API for Word documents.

  • Create Converter object to convert RTF document
  • Create new instance of WatermarkOptions class
  • Specify watermark properties (color, width, text, image etc)
  • Instantiate the proper ConvertOptions class
  • Set Watermark property of the ConvertOptions instance
  • Call Convert method of Converter class instance for conversion to PDF

Load RTF with Advanced Options

During the file conversion process, a wide range of modifications can be made to suit your specific needs. These include specifying passwords for password-protected documents, showing or hiding document comments and annotations, displaying markup and track changes for Word documents, and more.

Additionally, Excel files can have hidden spreadsheets made visible and text file encoding can be set. The Conholdate.Total for .NET API makes it easy to customize your document conversion process with these advanced options.


// Supports converting documents and adding watermarks to 100+ file formats including Word, Excel, PowerPoint, Project, Images, Web, Email, Metafiles and Diagrams
// Supported file formats: https://docs.groupdocs.com/conversion/net/supported-document-formats/
using (Converter converter = new Converter("input.docx"))
{
WatermarkOptions watermark = new WatermarkOptions
{
Text = "Sample watermark",
Color = Color.Red,
Width = 100,
Height = 100,
Background = true
};
PdfConvertOptions options = new PdfConvertOptions
{
Watermark = watermark
};
converter.Convert("output.pdf", options);
}

Convert Password Protected RTF to PDF

Easily convert password-protected RTF to PDF in .NET with Conholdate.Total APIs. No external software needed. Just a few lines of C# code for precise conversion.

  • Define LoadOptions and set password from document specific load options
  • Create Converter object to convert RTF document
  • Instantiate PdfConvertOptions class
  • Call Convert method of Converter class instance for conversion to PDF

Load & Convert Cloud RTF Docs

Using Conholdate.Total for .NET – developers can load and convert RTF documents from various remote locations and cloud document storage resources such as Amazon S3, Microsoft Azure Blob, FTP, local disk, stream or a simple URL. You just have to specify the method to obtain remotely located document stream and then pass it on to the Converter class as a constructor.

Conholdate.Total for .NET APIs are native to Windows Forms, ASP.NET, WPF, WCF or any type of application based on .NET Framework 2.0, .NET Core 2.1 or .NET 5 and higher.


// Supports converting documents and adding watermarks to 100+ file formats including Word, Excel, PowerPoint, Project, Images, Web, Email, Metafiles and Diagrams
// Supported file formats: https://docs.groupdocs.com/conversion/net/supported-document-formats/
Contracts.Func<LoadOptions> getLoadOptions = () => new WordProcessingLoadOptions
{
Password = "12345"
};
using (Converter converter = new Converter("sample_with_password.docx", getLoadOptions))
{
PdfConvertOptions options = new PdfConvertOptions();
converter.Convert("converted.pdf, options);
}

Frequently Asked Questions (FAQs)

Can I convert RTF files to PDF online without paying anything?

Yes. You can easily convert RTF files to PDF online using our completely free converter. It requires no software installation or user registration. Just upload your file, convert and download your PDF.

How do I convert RTF files to PDF using C# code?

Converting RTF files to PDF using C# is straightforward with the Conholdate.Total for .NET APIs. We provide practical, ready-to-use code samples and clear documentation to simplify the integration into your applications.

Do I need to have Microsoft RTF installed to perform RTF-to-PDF conversions with C#?

No. you don’t need Microsoft RTF installed. Conholdate.Total APIs operate independently, allowing you to convert RTF documents directly to PDF format within your .NET applications without RTF itself.

How quickly does your online RTF-to-PDF converter work?

Our online converter is built for speed and efficiency. Most conversions take just a few seconds—even when dealing with larger or more complex RTF files.

Will the online converter preserve formulas and hyperlinks from my RTF files?

Our online RTF-to-PDF converter keeps all your hyperlinks, images, charts and formatting intact. However, RTF formulas are converted into their resulting values in the final PDF, ensuring an accurate and readable document.

Can I automate the RTF-to-PDF conversion on my own servers?

Definitely. You can automate the RTF-to-PDF conversion process using Conholdate.Total for .NET. It’s perfect for handling batch jobs, scheduled conversions, or integrating seamlessly into your backend workflows.

Is it safe to upload my RTF files for online PDF conversion?

Your security and privacy are extremely important to us. Uploaded files are securely processed and automatically deleted from our servers shortly afterward, ensuring your data remains confidential.

Can I convert several RTF sheets into a single PDF using C#?

Yes, you can. Conholdate.Total allows you to select and combine multiple sheets from your RTF workbook into a single PDF document effortlessly.

Does Conholdate.Total for .NET support batch RTF files conversion to other formats?

Yes. Conholdate.Total for .NET supports batch conversion of RTF documents, allowing developers to convert multiple files at once.

Does the RTF to PDF API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our RTF-to-PDF conversion API supports all modern .NET frameworks, including .NET Core, .NET 5, .NET 6, and even .NET 7. This gives you flexibility regardless of your project environment.

Can I add watermarks or passwords to PDFs created from RTF files?

Yes. Conholdate.Total provides convenient features to enhance your PDF documents. You can add watermarks for branding or confidentiality, apply password protection, and even customize other PDF security settings easily during the conversion process.

What file formats for documents and images are supported by Conholdate.Total for .NET?

Conholdate.Total for .NET integrates APIs from Aspose and GroupDocs to enable .NET programmers to perform various document manipulation actions on a wide range of file formats including Word, Excel, PDF, PowerPoint, Visio, HTML and images in .NET, C#, ASP.NET and VB.NET applications.

Can I convert password-protected RTF files to PDF in .NET?

Yes. Conholdate.Total for .NET supports the conversion of password-protected RTF files. With built-in methods to handle encrypted documents, you can securely convert sensitive files to PDF while preserving their confidentiality and integrity.

What are the licensing costs for Conholdate.Total’s RTF to PDF conversion API?

Conholdate.Total for .NET offers a fully functional free trial version for 30 days. Paid plans are available for higher usage levels. Developers should carefully review the pricing and licensing terms before using the document conversion API.

What is RTF file format?

RTF (Rich Text Format) is a document file format developed by Microsoft for cross-platform document interchange that can be used with a variety of word processing applications. It supports features such as text formatting (including font types, sizes, and colors), images, and page layout capabilities. RTF files are stored as plain text, which makes them compatible with virtually any application that supports text files. RTF files are popular for their flexibility and easy readability, as well as their cross-platform compatibility. They are commonly used for sharing documents between different word processing applications, as well as for sending documents as email attachments. The RTF format also offers an advantage in preserving the original formatting of a document. For example, if a word processor changes the default font, the RTF file will continue to display the original font. RTF files are relatively small and fast to load, and can be compressed when sending over the internet. RTF files are commonly used in business and academic settings, and are also a popular choice for online publishing. RTF is also used by many online writing and blogging tools, such as WordPress.

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What is PDF file format?

PDF (Portable Document Format) is a widely used document file format developed by Adobe Systems in 1993. It was specifically designed to provide a platform-independent solution for storing and sharing documents across various operating systems and over the Internet. PDFs utilize a vector-based drawing model, storing graphical elements such as lines, shapes, and images as mathematical equations. This unique approach ensures that PDFs are resolution independent, guaranteeing consistent document quality regardless of the viewing device or program.

One of the key advantages of PDFs is their support for a range of security features. Encryption, password protection, digital signatures, and document watermarking are among the security measures available. These features make PDFs highly secure and suitable for sensitive documents, such as medical records, legal documents, government forms, and invoices. The printing industry also heavily relies on PDFs to facilitate electronic communication with customers.

Creating PDFs is a straightforward process, as they can be generated from various electronic document formats, including Word documents, PowerPoint presentations, and webpages. It’s important to note that PDFs are typically not editable directly. To modify the content of a PDF, it must first be converted to a different file format that supports editing. Numerous software programs, many of which are freely available for download, offer the functionality to convert PDFs to editable formats.

PDFs have gained immense popularity and have become a standard method for document sharing due to their versatility, security features, and consistent formatting. Their compatibility across different devices and operating systems ensures seamless document access for users. Additionally, PDFs preserve the layout, fonts, and images of the original document, making them an ideal choice for sharing visually rich content.

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Popular RTF Conversion Options with .NET

Convert RTF to PDF

(Portable Document Format)

Convert RTF to EXCEL

(Spreadsheet Files)

Convert RTF to IMAGE

(Digital Image Files)

Convert RTF to DOC

(Microsoft Word Binary Format)

Convert RTF to DOCX

(Office 2007+ Word Document)

Convert RTF to DOCM

(Microsoft Word 2007 Marco File)

Convert RTF to DOT

(Microsoft Word Template Files)

Convert RTF to DOTX

(Microsoft Word Template File )

Convert RTF to DOTM

(Microsoft Word 2007+ Template File)

Convert RTF to TXT

(Text Document)

Convert RTF to RTF

(Rich Text Format)

Convert RTF to HTML

(Hyper Text Markup Language)

Convert RTF to HTM

(Hypertext Markup Language File)

Convert RTF to MHTML

(Web Page Archive Format)

Convert RTF to MHT

(MHTML Web Archive)

Convert RTF to XLS

(Microsoft Excel Spreadsheet (Legacy))

Convert RTF to XLSX

(Open XML Workbook)

Convert RTF to XLSM

(Macro-enabled Spreadsheet)

Convert RTF to XLSB

(Excel Binary Workbook)

Convert RTF to XLT

(Excel 97 - 2003 Template)

Convert RTF to XLTX

(Excel Template)

Convert RTF to XLTM

(Excel Macro-Enabled Template)

Convert RTF to XLAM

(Excel Macro-Enabled Add-In)

Convert RTF to CSV

(Comma Seperated Values)

Convert RTF to TSV

(Tab Seperated Values)

Convert RTF to DIF

(Data Interchange Format)

Convert RTF to SXC

(StarOffice Calc Spreadsheet)

Convert RTF to FODS

(OpenDocument Flat XML Spreadsheet)

Convert RTF to PPT

(Microsoft PowerPoint 97-2003)

Convert RTF to PPTX

(Open XML presentation Format)

Convert RTF to PPS

(PowerPoint Slide Show)

Convert RTF to PPSX

(PowerPoint Slide Show)

Convert RTF to PPSM

(Macro-enabled Slide Show)

Convert RTF to POT

(Microsoft PowerPoint Template Files)

Convert RTF to POTX

(Microsoft PowerPoint Template Presentation)

Convert RTF to PPTM

(Macro-enabled Presentation File)

Convert RTF to POTM

(Microsoft PowerPoint Template File)

Convert RTF to ODT

(OpenDocument Text File Format)

Convert RTF to OTT

(OpenDocument Standard Format)

Convert RTF to OTP

(OpenDocument Standard Format)

Convert RTF to ODP

(OpenDocument Presentation Format)

Convert RTF to ODS

(OpenDocument Spreadsheet)

Convert RTF to EMZ

(Windows Compressed Enhanced Metafile)

Convert RTF to WMZ

(Compressed Windows Metafile)

Convert RTF to SVG

(Scalar Vector Graphics)

Convert RTF to SVGZ

(Compressed Scalable Vector Graphics)

Convert RTF to XPS

(XML Paper Specifications)

Convert RTF to TEX

(LaTeX Source Document)

Convert RTF to DCM

(DICOM Image)

Convert RTF to WMF

(Windows Metafile)

Convert RTF to EMF

(Enhanced Metafile Format)

Convert RTF to BMP

(Bitmap Image File)

Convert RTF to PNG

(Portable Network Graphic)

Convert RTF to GIF

(Graphical Interchange Format)

Convert RTF to JPEG

(Joint Photographic Expert Group Image)

Convert RTF to TIFF

(Tagged Image File Format)

Convert RTF to WEBP

(Raster Web Image Format)

Convert RTF to JP2

(JPEG 2000 Core Image)

Convert RTF to TGA

(Truevision Graphics Adapter)

Convert RTF to PSB

(Photoshop Large Document Format)

Convert RTF to PSD

(Photoshop Document)

Convert RTF to EPUB

(Open eBook File)

Convert RTF to MD

(Markdown Language)

Convert RTF to FODP

(Formula One for Data Presentation)

Convert RTF to JPG

(Joint Photographic Expert Group Image)

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