pdfToolbox SDK
A software development kit that embeds pdfToolbox preflight, correction and analysis as deeply as possible inside your own application, with C/C++, .NET and Java APIs. We support your integration.

The software is theirs. The application is yours.
pdfToolbox SDK earns its keep inside the software you build. The value is in the integration and the profiles wired to your product. That is where we help.
- Builds and maintains pdfToolbox
- Sets the preflight and correction technology
- Owns the product roadmap

- Advises on the right fit for your workflow
- Sets it up and connects it to your systems
- Handles licensing, SMA and renewals
- Supports it after go-live
Preflight inside your own software
Three things pdfToolbox SDK does for a development team.
Deep integration
Embed preflight and correction with a native C library and APIs for .NET and Java.
In-depth PDF access
Analyze and manipulate PDFs and embedded fonts, metadata, color profiles and images.
Built to scale
Process in parallel with a multi-threaded library and control each step through callbacks.
We start from your jobs, not from the software
Analyze
We map how your work flows today and find where the time goes.
Consult
We size the pdfToolbox SDK setup you need, and tell you where it is not the right tool.
Implement
We install it, connect it to your systems, and document it so your team can own it.
Support
We stay after go-live: support, SMA renewals, and the next step worth automating.

Built for developers
pdfToolbox SDK ships with full documentation and extensive samples, runs on every common platform, and shares its engine with the Desktop, Server and CLI editions, so your rules stay consistent.
- C/C++, .NET and Java APIs
- Windows, macOS, Linux and Unix
- Shared engine with Desktop, Server and CLI
- ISO PDF and Ghent Workgroup standards
Licenses and maintenance
- A license sized to the volume and modules you need
- Every new license comes with an annual software maintenance agreement (SMA)
- We handle renewals, upgrades and license moves
- Setup and integration are quoted separately
Can I help you?
Hi, I'm Andy!
Commercial lead, Four Pees
Give me a +32 9 237 1000, schedule a call, or sales@fourpees.com.
Bring us the preflight you want built in.
Tell us what your application needs to check. We will show what pdfToolbox SDK can do inside it.