C# PDF library to create, edit, draw and print PDF files

Docotic.Pdf is the .NET PDF library for .NET Core, ASP.NET, Windows Forms, WPF, Xamarin, Blazor, Unity, and HoloLense applications.

WARNING: This is a pre-release build of Docotic.Pdf 10 and includes significant API changes that may require updates to your code when migrating from previous versions. Before upgrading, review the migration guide to learn about the changes and how to adapt your code.

Getting started | Features | Licensing | Free Trial

The library is a 100% managed assembly without unsafe blocks. The assembly has no external dependencies.

Features

Use Docotic.Pdf to:

• Generate PDF documents from containers, images, and text using a modern fluent API.
• Create PDF documents in C# or VB.NET using any of the methods offered by the library.
• Extract text from PDF documents.
• Convert HTML to PDF in C# with the help of the HTML to PDF converter add-on.
• Convert PDF to image and print PDF documents.
• Convert PDF to PDF/A
• Compress PDF files.
• Merge PDF documents
• Split PDF documents
• Add digital signatures to PDF documents, add LTV information to PDF signatures, and sign PDFs with USB tokens.
• Encrypt PDF files.
• Remove PDF passwords.
• OCR PDF files.
• Linearize PDF files. Optimize for Fast Web View.
• Edit PDF files.
• Convert PDF to PDF/A

Docotic.Pdf supports .NET 8, .NET 7, .NET 6, .NET 5, .NET Standard / .NET Core, and .NET 4.x frameworks. You can use the library in .NET on Windows, Linux, macOS, Android, and iOS. Works in Azure, AWS and other cloud environments. Can be used from a Docker container.

Documentation

For documentation, sample code, and API reference, visit the Docotic.Pdf help page.

Here are some of the more popular topics:

• Create PDF
• HTML to PDF
• PDF to text
• PDF to image
• Generate PDF
• Edit PDF
• Digital signatures
• Passwords
• How-to articles

Add-ons

There are free add-ons to the library:

• HTML to PDF add-on
• Layout add-on
• Conformance add-on
• Gdi add-on
• Logging add-on

Licenses

To test the library, get a free time-limited license key using the form on the Docotic.Pdf page.

Without a license, the library will not create or read PDF documents.

We offer royalty-free licenses for Docotic.Pdf. Eligible projects and/or people can receive license for the C# PDF library free of payment.