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callas pdfToolbox SDK

callassoftware.com

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Spec score 8.6 #1 of 31 in PDF SDKs

Spec sheet

Purpose
pdfToolbox SDK integrates PDF preflight, correction, and conversion into a developer’s own application.Read 9 Oct 2026 · callassoftware.com
Deployment
The SDK can be installed on a server or used in Docker, but customers must set up their own Docker environment.Read 9 Oct 2026 · help.callassoftware.com
Trial
All pdfToolbox variants are available with a free 14-day trial.Read 9 Oct 2026 · callassoftware.com
Security
callas says it uses vulnerability detection, HSTS and related security headers, TLS/SSL, and recommended site-hardening features to protect personal data.Read 9 Oct 2026 · callassoftware.com
Headquarters
Berlin, GermanyRead 28 Sep 2026 · callassoftware.com
Founded
1995Read 28 Sep 2026 · callassoftware.com
Company
callas software says it is Berlin-based, focuses on PDF, and was founded in October 1995.Read 9 Oct 2026 · callassoftware.com
Automation logic
Profiles can use the Google V8 JavaScript engine, and process plans support conditional processing and looping.Read 9 Oct 2026 · callassoftware.com
Formats
pdfToolbox converts common image formats and many Office documents to PDF, and can export PDF pages as JPEG, PNG, or TIFF images.Read 9 Oct 2026 · callassoftware.com
Integration ecosystem
The maker describes automated workflows using hot folders, Enfocus Switch, scripting, or larger solutions.Read 9 Oct 2026 · callassoftware.com
Integration limit
SDK sample code is not production-ready, so customers must write production integration code.Read 9 Oct 2026 · help.callassoftware.com
Languages
The SDK provides native C and C++ libraries with Java and .NET wrappers and sample code.Read 9 Oct 2026 · callassoftware.com
PDF access
The SDK provides access to analyze and manipulate PDFs and embedded fonts, metadata, color profiles, and image compression.Read 9 Oct 2026 · help.callassoftware.com
PDF checks
Preflight profiles support PDF/X, PDF/A, PDF/UA, Ghent Workgroup specifications, and variables.Read 9 Oct 2026 · callassoftware.com
Related API
A ready-to-use Docker image is available for the pdfToolbox REST API by contacting callas.Read 9 Oct 2026 · help.callassoftware.com
Supported systems
The product system requirements list macOS, Linux, and Windows, with Windows 10 as the earliest supported Windows version.Read 9 Oct 2026 · callassoftware.com

Plans and prices

pdfToolbox Server, CLI, and SDK 16 €5,000, paid once fully automated processing · maintenance agreement required for upgrades Read 9 Oct 2026 · callassoftware.com

Every callas pdfToolbox SDK plan and price →

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