callas pdfToolbox is the Swiss army knife for solving all problems to make a PDF good for printing or online publishing – whether wrong color spaces or missing fonts, the pdfToolbox solves the problems fast and uncomplicated. Find out more...

callas pdfToolbox Server 3

callas pdfToolbox Server is the high performance engine for thorough preflighting and execution of all kinds of corrections in PDF documents. Find out more...

callas pdfaPilot

callas pdfaPilot makes any PDF suitable for standards compliant archiving as PDF/A with the click of a mouse. Find out more...

callas pdfaPilot Server

Makes thousands of PDF ready for archiving as PDF/A. Fully automated, operates 24/7, supports all major platforms, including Windows, Linux, Sun and Mac OS X. Find out more...

callas pdfAutoOptimizer

Get a handle over transparency issue – flatten all your PDFs that use transparency and turn them into print production ready documents. Find out more...

Technology preview of pdfToolbox 4 at drupa08

pdfToolbox 4 is a major upgrade for callas' print production toolset. It is going beyond regular preflighting and fixing to offer functionality that just gets the job done. Read more...

Gradual Software releases support for callas pdfAutoOptimizer

Maintenance update introduces brand-new configurator to flatten live transparencies.Read more...

Bye bye, missing fonts!

Don't let missing fonts in your PDFs stop your production anymore. pdfToolbox supports embedding of PostScript, TrueType and OpenType fonts. Read more...

Working on UNIX?

Looking for automating PDF processing on Unix - look no further! Learn about callas software products for Linux or Sun Solaris:
pdfToolbox CLI 3 for UNIX...
pdfaPilot CLI for UNIX...

Adjusting ads for newspapers

Displays ads arriving at newspapers often have been prepared for the wrong printing process. pdfToolbox preflights and corrects ads and makes them production ready. Read more...