New! Version 14 Released

The Most Complete PDF SDK

Convert, Create and Change PDF Files

For more than 25 years, developers have trusted Visual Integrity's PDF SDK to add PDF features to their apps. The PDF SDK is easily integrated with just two API calls and some simple configuration settings. Quickly add features like PDF import and edit, support your native file format or generate dynamic PDF files. Every single element of the PDF is exposed for you to work with. With its modular and multiplatform architecture, license what you need, scale when you're ready, and add proven PDF features into your apps faster.  

  • Search for objects and text strings
  • Convert PDF to your native file format 
  • Change the contents of a PDF page
  • Extract images from PDF
  • Retrieve metadata from PDF (layers, geospecification, etc)
  • Inventory the contents of a PDF page
  • Create dynamic PDF from data or from scratch
  • Convert PostScript to PDF
  • Create PDF from text, vector, or image formats
  • Add page numbers, stamps, or watermarks
  • Add, extract, split, merge and combine pages
  • Add import PDF to your application 
  • Convert PDF into archival formats
  • Convert PDF to metafiles (WMF/EMF) for Windows Apps
  • Extract plain text from PDF documents
  • Convert PDF to SVG for the Web

All Visual Integrity Products are built using our PDF SDK Components

Proven PDF SDK

With one unified framework, you can convert, create and modify PDFs in your app or service. Proven over three decades, Visual Integrity's PDF converter is battle-tested, reliable, and accurate while PDF generation is fast and precise. Both conversion and creation can benefit from the PDF Objects SDK which gives you programmatic access to every PDF element, attribute, and layer on a page.

License Just What You Need

The PDF SDK is licensed per project or app on an annual subscription basis. Priority Support, updates, upgrades, new versions, and replacement software are included.

The license covers the right for your developers to use the SDK for one end-user application. Each SDK comes standard with one input format, one output format, and 50 deployment licenses, all of which can be extended. The PDF SDK may not be used to make a developer toolkit or product that contains an API.

Deployment Licenses grant you the right to integrate and distribute our libraries in your resulting application. One deployment license is required for every user of your app. If you want to deploy it on devices or appliances, please contact us.

PDF SDK Pricing

  • PDF Conversion SDK

    Starting at $699/Year
    Add PDF Import/Edit features to your application. Convert PDF into industry-standard vector and image formats, Extract text.
  • PDF Creation SDK

    Starting at $699/Year
    Create PDF from file or from scratch. Create and modify PDF. Merge, Mark, Stamp, and Combine.
  • PDF Objects SDK

    Starting at $699/Year
    Access all object data (elements,, attributes, layers, etc) in PDFs for processing or modification. Map PDF to your own native format.
  • Deployment Licenses

    Starting at $0/Year
    Each SDK comes with 50 Deployment Licenses. These are required for each end-user version of your app that is delivered. Volume discounts are automatically calculated.

We understand PDF

Every vector, image, layer, attribute, and character is at your command. At Visual Integrity, we understand how each page is assembled and how to access even the deepest elements. Thanks to our proprietary Object Display List Technology, you can add import, export, create and modify PDF features in your project with just two API calls.

Setting the Standard for PDF SDKs

Our PDF SDK framework is compliant with the latest industry standards including PDF 2.0. It's the engine found at the heart of everything we produce for end-users and developers alike. Our motto is "Conversion without Compromise." For almost 30 years, we've been enhancing and extending what's possible with PDF, including breakthrough technologies like 'intelligent object recognition' and 'vector search and replace'. All of this real-life experience has resulted in a flexible, optimized conversion engine that can drive process automation or extend functionality in enterprise and commercial applications and services.

The Most Complete PDF SDK

The PDF SDK engine is found at the core of everything we produce, both development tools and end-user products. You won't find a comprehensive, high-performance SDK with PDF object data access like ours anywhere else. If you're looking to open editable PDF files in your application, export vector graphics, bitmap images and text, or, you're trying to automate a high-volume PDF or PostScript conversion workflows, you've arrived at the right place. Try it today.

No Dependency on 3rd Parties

• No Adobe Libraries

• No public PDF libraries like GhostScript or PDFium

• No Printer Drivers

This independence translates directly into lower costs, better performance, improved security, increased accuracy, and clear licensing terms. Plus, our engineers are just a click away when you need support or advice. Although Open Source communities are great, you can't depend on them for an immediate response, fix or patch in your critical moment.

Examples of PDF Projects using the PDF SDK


  • Generate dynamic PDF reports from data
  • Import and edit PDF into CAD systems
  • Open and modify PDF in Microsoft Office
  • Embed PDF features in your application without the presence of Adobe Acrobat
  • Projects with consistent, reliable cross-platform support across Windows, Linux, and macOS
  • Create and assemble PDF documents from scratch using data, text, objects, and attributes
  • Annotate PDF with highlights, stamps, comments, and other markups
  • Watermark PDF documents with images or text
  • Create a PDF viewer for your application or service
  • Convert PDF to vector formats with all data intact - text, fonts, vector graphics, and images
  • Change PDF documents by splitting, inserting, deleting, rearranging, combining, cropping, and rotating pages
  • Manipulate PDF pages by adding and removing text and object content
  • Convert PDF to SVG (vector) for web applications and viewers
  • Optimize PDF for web viewing
  • Integrate with PDF rights management systems
  • Search and redact sensitive information in legal documents
  • Bates Numbering


  • Develop PDF solutions for both desktop and server environments
  • PDF support in Enterprise Content Management (ECM)
  • Document archival and normalization
  • Search and extract specific objects from a PDF page
  • Map PDF to your file format to import ad change PDF in your application
  • Import object data without a conversion step into your application
  • Search object geometry data
  • Perform operations on object data
  • Delete object data
  • Change attributes of object data
  • Snapping
  • View and render PDF
  • Provide password security in PDF
  • Use PDF layers and grouping to provide selective viewing of content
  • High-volume, variable printing PDF workflow automation projects
  • File-to-file conversion with 100% accuracy
  • High-performance, scalable, and optimized PDF processing in any project
  • The alternative to Adobe PDF SDK Library; high performance and value pricing
  • Directly supported alternative to PDFium or GhostScript (open source)


  • Convert documents and serve end-users PDF files directly in the browser
  • Script PDF watch folder projects to automate document receipt, processing & routing
  • PDF 2.0 ISO 32000-2 compliance projects
  • PDF searching and indexing
  • Convert between PDF versions including PDF 2.0
  • Distill PostScript to PDF for pre-press and screen
  • Create and manipulate PDF forms
  • Add comments to PDF documents
  • Extract Unicode text from PDF with precise placement, abstract, ASA or stripped
  • Extract images from PDF documents
  • Generate full-size raster images and thumbnails of PDF pages
  • Parse documents by reading and updating PDF bookmarks (TOC), annotations and internal links
  • Extract PDF content including searchable text, hyperlinks, vector objects, font information and color
  • PDF text search pinpoints target and position
  • High-end and large format print applications

Visual Integrity is a proud partner of these organizations