callas pdfToolbox SDK

callassoftware.com · checked 9 Oct 2026

#20 · PDF SDKs

Visit callassoftware.com ↗ Alternatives callas pdfToolbox SDK vs libHaru

How it plugs in

—Public API

NoOpen source

TrialFree tier

Signal on PDF SDKs5.9#20 of 31

pdfToolbox SDK integrates PDF preflight, correction, and conversion into a developer’s own application.

Pricing

pdfToolbox Server, CLI, and SDK 16fully automated processing · maintenance agreement required for upgrades€5,000 one-time

As callassoftware.com lists them, checked 9 Oct 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: callassoftware.com
Price: €5,000 one-time
Free trial: Yes
Automation logic: Profiles can use the Google V8 JavaScript engine, and process plans support conditional processing and looping.
Company: callas software says it is Berlin-based, focuses on PDF, and was founded in October 1995.
Deployment: The SDK can be installed on a server or used in Docker, but customers must set up their own Docker environment.
Formats: pdfToolbox converts common image formats and many Office documents to PDF, and can export PDF pages as JPEG, PNG, or TIFF images.
Founded: 1995
Headquarters: Berlin, Germany
Integration ecosystem: The maker describes automated workflows using hot folders, Enfocus Switch, scripting, or larger solutions.
Integration limit: SDK sample code is not production-ready, so customers must write production integration code.
Languages: The SDK provides native C and C++ libraries with Java and .NET wrappers and sample code.
PDF access: The SDK provides access to analyze and manipulate PDFs and embedded fonts, metadata, color profiles, and image compression.
PDF checks: Preflight profiles support PDF/X, PDF/A, PDF/UA, Ghent Workgroup specifications, and variables.
Related API: A ready-to-use Docker image is available for the pdfToolbox REST API by contacting callas.

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