Best PDF SDK for C#

Compare the Top PDF SDK that integrates with C# as of July 2025

Sort By:

C# PDF SDK Clear Filters

This a list of PDF SDK that integrates with C#. Use the filters on the left to add additional filters for products that have integrations with C#. View the products that work with C# in the table below.

What is PDF SDK for C#?

PDF SDKs (Software Development Kits) provide developers with the tools and libraries needed to integrate PDF functionality into their applications or websites. These SDKs offer features like viewing, editing, creating, converting, and annotating PDFs, allowing developers to build custom PDF solutions tailored to their needs. PDF SDKs often include APIs for manipulating text, images, and form data, as well as for handling document security, such as encryption and password protection. By using PDF SDKs, developers can add robust PDF capabilities to their software without having to build these features from scratch, saving time and resources. Compare and read user reviews of the best PDF SDK for C# currently available using the table below. This list is updated regularly.

1

Pdftools

PDF Tools

Whether you have thousands of documents or millions, Pdftools has the products and services to help make processing a breeze. Designed for document-heavy industries, Pdftools’ suite of SDKs and APIs are here to make your document workflows easier, faster, and stress-free. Built on SDKs and APIs, the Pdftools products integrate seamlessly into your existing (or new) systems and applications. Process thousands of documents every minute. Our tools are precision-engineered to be efficient and run at blazing speeds. We’re engineers at heart, so we’re only satisfied with the most reliable, orderly, and usable, and well-documented platforms. Shrink file sizes down, but keep the quality and interactivity. Your documents will always be compliant for long-term archiving. We’ve obsessed over every detail in our products, and documented everything so it’s easy to get started.

13 Ratings

Starting Price: $0/month/user

View Software
Visit Website
2

Aquaforest SDK

Aquaforest

Aquaforest SDK is a powerful toolset for processing PDFs including PDF content extraction, searchable PDF creation, OCR with standard (Aquaforest) engine, OCR with extended (Canon IRIS) engine, and handwriting OCR options via Google and Microsoft APIs. Advanced PDF and barcode toolkit, high performance with support for up to 64 cores. The SDK is able to analyze PDF documents and automatically extract name/value pairs. The SDK has a wide variety of PDF manipulation capabilities including PDF merging, PDF attachment processing, PDF content extraction, XMP metadata processing, PDF/A validation, and more. The standard OCR engine supports 23 languages and is included in every edition of the SDK. This provides an interface to Google and Microsoft’s cloud OCR services which can be especially useful for special cases such as handwriting recognition. The SDK is able to read and recognize most standard barcode types.

View Software