callas software has updated its pdfToolbox2 tools for Adobe's recently released Acrobat 8: pdfColorConvert (€200), pdfCorrect (€150), and pdfLayerMaker (€100) offers users the ability to perform extensive and professional color conversions, to correct common sources of error in printing, and to create layers in PDF files with Adobe Acrobat Standard and Professional Version 8. The plugins are based on the most up-to-date PDF technology and provide native support for Intel-based Macs (as well as legacy PowerPC systems). pdfToolbox2 contains includes pdfColorConvert allows non-expert users to quickly and easily modify colours directly in the PDF to meet different print conditions or to convert spot colors to CMYK at the click of a mouse button. pdfCorrect locates and corrects more than 60 different problems that can occur in the professional printing process and pdfLayerMaker separates and sorts page objects into layers, to make them accessible for editing. The suite of pdfToolbox2 tools are available for €400 and require Mac OS X 10.2.8 or later. Trial versions of each are available online.