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By developers for developers

The leading
PDF SDK

The Pdftools SDK is an all-in-one PDF Library for .Net Core, C/C++, C#, Java and more. Get cross-platform support, the complete PDF feature set, and high quality output. Easy integration gets you up and running fast!👇 Start Building with the free PDF SDK Experience Edition (in under 60 seconds)
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Also available via Nuget (.NET) and Maven (Java) package managers
MacOS
Windows Client
Linux
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Review Pdftools SDK code samples

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6,000+ companies already love Pdftools
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All your PDF needs met

The PDF SDK built for your PDF workflows

  • Archive PDF files as PDF/A files

  • Compress and optimize PDF files

  • Convert files to and from PDF files

  • Extract data from PDF files

  • Divide and combine PDF files

  • Sign and secure PDF files

  • Validate PDF and PDF/A files

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Pdftools SDK

Automate document processing

  • Archive PDF files as PDF/A files

  • Compress and optimize PDF files

  • Convert files to and from PDF

  • Sign and secure PDF files

  • Validate PDF and PDF/A files

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Conversion Service

High-performance online rendering

  • Add annotations to PDF files

  • View PDF files on the web

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PDF Viewer SDK

PDF Excellence: No Watermarks, Full Support

Enjoy watermark-free results, and connect with exceptional support. Experience Pdftools—where your unique needs meet tailored pricing quotes.
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Swift document processing, no watermarks
Swift document processing, no watermarks
Unlock exceptional support—connect with the Pdftools team
Unlock exceptional support—connect with the Pdftools team
Get a pricing quote tailored to your specific requirements
Get a pricing quote tailored to your specific requirements

Resources

Documentation

Learn how Pdftools products work.

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PDF glossary

Consult common PDF terms.

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PDF knowledge

Learn more about PDF standards.

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Join our Discord community

Join our Discord community

Connect on our Discord channel for expert support from Pdftools engineers.
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What customers are saying

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Customer stories

Bayer CropScience relies on the ISO long-term archiving format PDF/A

Products used

Conversion service / PDF Optimizer / PDF to PDF/A Converter / + 4 more

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Customer stories

Creating Swiss adoptions of European and International Standards in record time

Products used

PDF Toolbox SDK

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Customer stories

Efficient mobile access to information for on-board staff at Deutsche Lufthansa AG

Products used

PDF Web Viewer

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Ready to take the next step?

Join 6,000+ customers using Pdftools and take control of your document management.
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