Enfocus PitStop Pro is the essential Adobe Acrobat plug-in to check and fix PDF files in professional publishing environments. An extensive array of editing tools makes it easy to do last-minute corrections, both for individual objects and globally throughout the complete PDF document. The tools in PitStop Pro are completely production oriented and allow you to tackle those problems you actually experience in your workflows. The industry-standard preflight engine in PitStop Pro checks all aspects of your PDF files and pinpoints exactly where the problems are. Embedded Certified PDF technology digitally signs your PDF files to ensure their quality.