Find the Right C# PDF Library for Your Developers

Toolkit Ultimate is the "All-in-One" Developer C# PDF Library, which includes all the great features in Toolkit, plus additional API technology to rasterize images, reduce PDF file sizes, redact sensitive data, search and extract data within PDF files, print PDF to paper, and much more.

Toolkit is the original powerful developer library to create, modify, view, compress, and automate data to and from PDF files within software applications. The Toolkit library contains hundreds of properties and methods, designed to tackle most PDF-related tasks.

IS IT POSSIBLE TO DO EVERYTHING WITH ONE TOOL?!

Toolkit Ultimate C# PDF Library Highlights:

PDF Modification, PDF Manipulation, Developer Tool

Redaction Technology: Confidently remove and obscure sensitive data within PDF files. Redact specific words, images, pages, and more.

PDF Modification, PDF Manipulation, Developer Tool

PDF to Image: Convert PDF files to JPEG, TIFF, PNG, BMP, and RGB. Control image output, such as image size, DPI, aspect ratio, and more.

PDF Modification, PDF Manipulation, PDF Extraction

PDF Data Extraction: Search and extract text, images, and metadata from PDF files for automation, editing, indexing, and more.

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THIS IS THE PDF MANIPULATION SOFTWARE THAT YOU HAVE BEEN LOOKING FOR

Create, Convert, Modify, View, Extract, Redact, Compress, and Automate with Toolkit Ultimate 

PDF Modification, PDF Manipulation, Developer Tool

PDF Automation

On-demand PDF creation for single files or high-volume automation.

PDF Modification, PDF Manipulation, Developer Tool

Customized Control

Set stamps, bookmarks, page numbers, and customized printing.

PDF Modification, PDF Manipulation, Developer Tool

PDF Security

Redact sensitive data, set passwords, watermark, and AES 256 encryption.

PDF Modification, PDF Manipulation, Digital Transformati

Digital Transformation

Full PDF compression, redaction, extraction, rasterization, and more.

PDF Modification, PDF Manipulation, Developer Tool

Built for Business

Document assembly, extraction, digital signatures and more!

PDF Modification, PDF Manipulation, Developer Tool

.NET and COM API Support

Integrate into your existing backend applications and processes.

ActivePDFGreyout

PEACE OF MIND THROUGH PEOPLE & TECHNOLOGY

PDF Manipulation API for Developers

PDF Modification, PDF Manipulation, Developer Tool

Simple and Easy-to-Use PDF Software

PDF software doesn't have to be complicated, even when developing.

PDF Modification, PDF Manipulation, Developer Tool

Vast Functionality & Strong Reliability

Delivering millions of high-quality PDF files every day around the world.

PDF Modification, PDF Manipulation, Developer Tool

Enterprise-Ready Performance

Pushing performance boundaries with powerful .NET PDF API and DLLs.

PDF Modification, PDF Manipulation, Developer Tool

POWERFUL PDF MANIPULATION TECHNOLOGY

Explore the Best C# PDF API Library Technologies

Toolkit is the original, powerful developer library stacked with hundreds of APIs to create, modify, view, compress, and automate data to and from PDF.

Download Toolkit

Toolkit Ultimate includes all the great features in Toolkit, plus additional API technology to rasterize images, redact sensitive data, search and extract data, print PDF to paper, and more.

Download Toolkit Ultimate

C# PDF LIBRARY FOR .NET DEVELOPERS

Flexible Toolkit Ultimate & Toolkit Licensing

15-Day
Free Trial

Free

Single developer, unlimited assistance

Toolkit
Starting at...

$1,799

Perpetual license, single instance, internal use only

Toolkit Ultimate
Starting at...

$2,499

Perpetual license, single instance, internal use only

TOOLKIT ULTIMATE & TOOLKIT FEATURES

PDF Manipulation API & PDF Library Features

Key Features Toolkit Toolkit Ultimate
PDF Processing Library    
Full control over PDF output    
Merge, copy, append, split, and stitch    
Stamp text, images, and watermarks    
Manage bookmark, hyperlinks, and annotations    
Generate and embed barcodes    
Create, modify, delete, fill, and flatten form fields    
Encrypt, decrypt, and digitally sign    
Metadata management    
Compression optimization    
Redact text and images    
Extract text and images    
Convert PDF to image    
Print PDF to Paper    
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PDF Modification, PDF Manipulation, Developer Tool

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Experience the Ultimate PDF Manipulation API & C# PDF Library for .NET Developers