A-PDF (Affordable PDF) produces a lot of small but extremely useful progs to work with pdf files.
he main and often unique those tools propose to the user is handling a lot of pdf files in batch mode. I don't know any other prog which could crop pages in all pdf files at once.I will post some of the A-PDF progs in this thread which can be found in the net, please do same if you find one.
List of all products by A-PDF includes nearly 100 tools.
Download link
http://ifile.it/uvkgy73