Advanced Command Line PDF Merger is a scriptable .exe utility that automates the task of merging multiple PDF files into one PDF document. The application, aclpdfmerge.exe, has no graphical user interface.
The process of conversion into PDF to PDF/A is become so simple and easy that any novice users can convert PDF to PDF/A with the use of PDF to PDF/A converter or you can say PDF toolbox
PDF WIZ is a desktop program for Windows computer. You can use it even when you have no access to internet.So unlike using online PDF converters, you don't have to worry about your information security.