Office to PDF using C#

Convert Office documents to PDF, fast and accurate

Try for FREE

Office to PDF features

Our Office to PDF C# library is a reliable tool that simplifies the conversion of Word, PowerPoint, and Excel files into high-quality PDFs. Whether you’re handling reports, presentations, or spreadsheets, you can trust in the fast, reliable, and accurate conversions that optimize your workflow. The C# library, with its easy integration, is perfect for automating your document processing needs. Regardless of the size or complexity of your files, the C# library ensures your documents maintain their original formatting and quality.

C# library install

ConvertAPI provides an ASP.NET C# library that allows you to perform a Office to PDF conversion with just a few lines of code. Convert Office to PDF documents using C# programming language with no effort at all!

NuGet Terminal >
Install-Package ConvertApi

Authenticate ConvertAPI C# library

You can obtain your secret key by signing up for a free account. Once you sign up, you'll receive 250 free conversions instantly! Grab your authentication secret from the account dashboard, and authenticate the ConvertAPI C# library like this:

// get your secret key here: https://www.convertapi.com/a/auth
ConvertApi convertApi = new ConvertApi("secret_or_token");

Office to PDF using C# in no time!

Once you have your authentication in place, simply copy-paste this office to pdf conversion code snippet into your C# project:

// Code snippet is using the ConvertAPI JavaScript Client: https://github.com/ConvertAPI/convertapi-js

// Code snippet is using the ConvertAPI Node.js Client: https://github.com/ConvertAPI/convertapi-nodejs

// Code snippet is using the ConvertAPI PHP Client: https://github.com/ConvertAPI/convertapi-php

// Code snippet is using the ConvertAPI Java Client: https://github.com/ConvertAPI/convertapi-java

// Code snippet is using the ConvertAPI C# Client: https://github.com/ConvertAPI/convertapi-dotnet

# Code snippet is using the ConvertAPI Ruby Client: https://github.com/ConvertAPI/convertapi-ruby

# Code snippet is using the ConvertAPI Python Client: https://github.com/ConvertAPI/convertapi-python

// Code snippet is using the ConvertAPI Go Client: https://github.com/ConvertAPI/convertapi-go

REM Code snippet is using the command line utility program: https://github.com/ConvertAPI/convertapi-cli

<!-- For conversions with the multiple file result please refer to this example: https://repl.it/@ConvertAPI/HTML-Form-with-multiple-file-result -->

Try the conversion online - no coding required!

You can try out advanced conversion parameters and test the conversion result online using our interactive demo tool. This tool will produce the same conversion output as if you were using the library from your solution, and it will auto-generate the code snippet for you!

Try for FREE!

Conversion parameters

Password String

Sets the password to open protected documents.

CompressPDF Bool

It tries to produce smaller output files but requires Adobe Reader 6, released in 2003 or newer, to view created PDF files.

Pdfa Bool

Create PDF/A-1b compliant document.

Try Office to PDF for free!