I need to crop edit merge etc pdf files, i know about pdfescape.com but the limit is 60 pages pdf, my pdf is 67 pages. i also know many paid software, or free trials or software that will watermark your pdf unless you pay.

I want a free software, searched sourceforge, filehippo, cnet, found none, is there any free software?
PDF24 Editor did the job remarkably well! thanks everyone!