The leading PDF SDK
Pdftools SDK is an all-in-one PDF library for .NET Core, C/C++, C#, Java, and more. Start for free with 1,000 credits—no credit card required. Integrates quickly with cross-platform support and high-quality output.
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For lossless yet tiny PDF files
Reduce file size, remove loose ends, and preserve perfect PDFs. Compress PDFs fast and prepare them for print by merging fonts and converting color spaces.
Modify PDFs with precision
Edit text, annotations, and form fields to transform your PDFs. Adjust content elements, modify markup details, and customize field values to efficiently and effectively update your documents.
Image and PDF conversions simplified
Convert with ease between various formats: turn PDFs into PDF/A, create PDFs from images, or transform PDF documents into high-quality images.
Extract content from PDFs
Extract valuable information from PDF documents. Retrieve text, images, signatures, and metadata from your PDFs. Convert documents into searchable and analyzable data, improving information accessibility.
Sign PDFs and add encryption
The Pdftools SDK makes adding signatures to PDFs easy. The SDK supports various types including approval, certification, and time-stamping. It offers robust validation tools, and allows customizable visual appearances. The encryption feature caters to diverse document security needs.
Add and fill form fields in PDF documents
Create interactive PDFs by adding and populating form fields effortlessly.
PDF document merging and splitting
Assemble pages from one or more PDF inputs and images into any combination of PDF outputs.
PDF/A converter for long-term archiving
Ensure long-term accessibility with the PDF to PDF/A converter. ISO Compliant & veraPDF Valid, the Pdftools SDK converts PDF documents into PDF/A format with unmatched quality assurance.
Automate PDF generation
Get accurate and reliable PDFs by configuring everything from document structure to detailed page content. The Pdftools SDK supports your PDF creation needs, including form fields, annotations, and graphical elements.
PDF printing on your terms
Get every document print-ready with this high-performance Pdftools SDK. Give your PDFs the fine print treatment - set page dimensions, set page orientation, and place multiple pages onto one page.
PDF redaction: leave no trace
Redact text, images, and entire pages to ensure sensitive data vanishes without a trace. Stay compliant with privacy laws like GDPR by permanently eliminating personally identifiable information (PII) from your documents.
Verify PDF and PDF/A compliancy
Efficient PDF verification for ISO compliance, including PDF/A standards. Includes the ability to add tailor checks to specific needs, such as color or font usage. It also provides detailed validation reports and classifies errors.
Generate ZUGFeRD-compliant invoices with PDF/A-3
Convert PDFs and Microsoft Office documents into ZUGFeRD-compliant PDF/A-3 invoices. Automate B2B invoicing workflows and meet EU (EN 16931) e-invoicing standards.
Time to simplify your workflow and accelerate results
Built for precision – trusted globally
From document conversion to compliance-ready solutions, Pdftools delivers performance and quality to drive your business forward.
Take the next step with the Pdftools SDK
