Acrobat plug-ins, command line tools and programming libraries from callas software preflight, correct, color convert and optimize PDF for print and online publishing, document management and archiving. Our tools excel in accuracy, reliability and practical orientation; fast to install and easy to use, they award a decisive merit to functionality and efficiency of Adobe Acrobat – indispensable to all users from prepress and publishing. Furthermore callas software actively supports industry standards and has been participating in: DIN, ISO, CIP4, the PDFXready initiative, the European Color Initiative and the Ghent PDF Workgroup.