PDF SDK by Pdftools

Meet the Core Component for Your Document Processing Solutions

Build large-scale document processing solutions for fast and accurate outputs: PDF/A conversion, compression, signing, and more. Deploy on-premise, in the cloud, or hybrid.

Rapid integration with existing systems
Best in market for PDF/A compliance
Supports C, Java, Python, .NET, and C API

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

Choose the Pdftools SDK…

To quickly process large volumes of documents

Deal with large volumes of documents. Batch-convert to and from PDF, create PDF/A for archiving, create and validate digital signatures, and much more.

Developer tooling that integrates well with your enterprise systems

Multi-language support makes integration into existing enterprise systems a breeze. Use C, Java, .NET, Python—or any other language by binding the C API.

Lightning fast and accurate results

Pdftools has the fastest Time To First Page with true-to-source results and is industry leader for precise, standards-compliant PDFs.

Predictable costs based on usage

Usage-based pricing with a yearly license and no monthly limits or caps. Estimate how many pages or documents you need to process and know 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.