PDF SDK by Pdftools

Meet the Core Component for Your Document Processing Solutions

Build large-scale document processing solutions without sacrificing speed or accuracy. Use the PDF SDK to embed PDF/A conversion, compression, signing, and more into your pipeline and achieve reliable and accurate results, covering a wide variety of input files. Deploy on-premise, in the cloud, or hybrid.

Enterprise-ready: Rapid integration with your existing systems
Compliant: Best in market for PDF/A compliance
Native and idiomatic: Supports C, Java, Python, .NET, plus a universal C API

25 years of experience delivering high-quality developer tooling for high-regulation industries

Choose the Pdftools SDK for

Processing large volumes of documents with accuracy and stability

Deal with large volumes of documents and run many different types of processes, converting to and from PDF files, creating PDF/A files to archive, creating and validating digital signatures, and much more. Convert PDFs with near unrivalled speed: the Pdftools PDF SDK is one of the fastest on the market and industry leader for precise, standards-compliant PDFs.

Developer tooling that integrates well with your enterprise systems

The SDK supports multiple frameworks and languages, which makes integration into your existing enterprise systems a breeze. C, Java, .NET, and Python are supported out of the box, but many other programming languages can make use of the PDF SDK by binding the C API.

Lightning fast and accurate results

Pdftools has the fastest Time To First Page with results that are true to the source. Industry validators such as veraPDF and the Stressful PDF Corpus show us as the industry leader for precise, standards-compliant PDF conversion.

Predictable costs based on usage

We offer usage-based pricing, keeping your costs predictable. Get a yearly license; with no monthly limits or caps. Estimate how many pages or documents you need to process each year and rest assured that there won’t be any surprises.

Compliance with EU regulations

The Pdftools PDF SDK validates compliance with important PDF standards, such as PDF/A for archiving. When you use our SDK, you can rest assured that your converted PDFs are compliant.

The SDK with a full feature set for PDF manipulation

Compress and optimize

Precisely determine PDF output by compressing and optimizing images and fonts and removing any unnecessary data.

Convert

Convert from various image formats to PDF as well as from PDF to a number of image formats (TIFF, PNG, JPEG, HEIF/HEIC).

Merge and split

Merge and split existing PDF documents, assembling them into new PDFs or images.

Sign

Choose from various cryptographic providers to create, manage, and validate different types of digital signatures in a PDF document.

Validate

Validate PDF documents to comply with various ISO standards for PDF and PDF/A.

Embed e-invoices

The Pdftools SDK supports ZUGFeRD and Factur-X, hybrid e-invoicing standards that combine human-readable PDF/A-3 documents with embedded XML data for automated processing.