Serious PDF engineering, priced per page

Conversion and archiving

• Conversion to PDF 1.x, PDF 2.0, PDF/A-1, PDF/A-1b, PDF/A-2, PDF/A-2b, PDF/A-2u, PDF/A-3, PDF/A-3b, PDF/A-3u

• Image to PDF conversion

• PDF to image conversion (TIFF, PNG, JPEG)

• PDF/A validation with full transformation record

Manipulation

• Merge and split PDF documents

• Compression and optimization

• e-Invoice embedding (ZUGFeRD, Factur-X)

Signatures and security

• Digital signature creation and validation

• Support for PKCS#11, GlobalSign, SwissCom, and custom cryptographic providers

Integration and deployment

• Languages: .NET, Java, C, Python, and C API

• Self-hosted for on-prem, cloud, or hybrid

• Ready for airgapped / fully offline deployment

Document processing

• Annotations (create, edit, delete)

• PDF document assembly

• PDF and PDF/A validation

• OCR text extraction (optional add-on)

Workflows

• PDF/A archiving (PDF/A-1, 2, 3)

• Archive as TIFF

• Conversion (50+ inbound formats to PDF, PDF/A, TIFF, or XML)

• Extract XML from PDF

• Dossier compilation (merge into single PDF)

• Invoice preparation (PDF/A-3 with attachments)

• Digital signature across archiving

• Stamping and annotation
  

File input

• REST API

• Watched folder

• Watched mailbox

Integrations

• Microsoft Office

• Digital signatures

• Pdftools OCR Service (optional add-on)

Deployment

• Desktop client

• Self-hosted (Linux, Windows, Docker)

• Cloud deployment

Detection

• AI-based PII detection (NER model, non-generative)

• Deterministic rules engine (regex + structured data)

• 36 entity types out of the box

• Custom entity types

• Confidence score for NER detection

• Up to 98% accuracy (F1 benchmarked against nvidia/Nemotron-PII)
  

Redaction

• PDF rebuilt from scratch, no recoverable content

• Human-in-the-loop review

• Manual redaction override

• Encrypted input and output
  

Deployment

• Self-hosted

• Fully offline capable

• No SaaS data exposure

Viewing

• Fastest time-to-first-page

• Upload, download, and print

• Page navigation, zoom, scroll, fit modes

• Full-text search with results navigation

Annotation & Editing

• Sticky notes, highlights, underline, strikeout

• Text, shapes, lines, stamps, and images

• True redaction — PDF rebuilt with no recoverable content

Integration and Deployment

• npm packages (PDF Web SDK + PDF Web Viewer)

• Custom UI, out-of-box UI, or fully headless

• Plugin system for extended functionality

• Web and mobile application support

• No server-side dependency

• Fully offline, airgapped

Pdftools products are priced per page. The per-page rate decreases as your document volumes increase. Talk to our team and we’ll give you a quote based on your expected volumes.

Yes. All Pdftools products support on-premise and airgapped deployment. No document data leaves your infrastructure. Offline license activation is available.

Conversion Service and Pdftools SDK cover the full range of ISO 19005 conformance levels. Validation outputs include a full transformation record for audit purposes.

Supported PDF/A formats:

• PDF/A-1, PDF/A-2, PDF/A-3

• PDF/A-1a, PDF/A-2a, PDF-A/3-a

• PDF/A-1b, PDF/A-2b, PDF/A-3b

• PDF/A-2u, PDF/A-3u

Pdftools SDK is a native library available for C, Java, Python, and .NET. It also offers a universal C API to bind to different programming languages.

Yes. Trial licenses are available for all products. Sign up to the portal to access a trial license for any product.

The Pdftools SDK suits teams that need programmatic control and want to build document processing into their own application.

The Conversion Service is best for organizations that need document workflows running in production without building pipeline infrastructure themselves.

For more complex requirements, our team can help you identify the right fit.