I was just wondering if PDF formats are opensource. I've seen openoffice save a document in ODT format in contrast to DOC or DOCX. Is there alternate file format to PDF?
I am looking for an open source command line tool to crop PDF file just like we can do in Adobe Acrobat Pro. I have tried PdfTk, ImageMagick, PyPDF, and GhostScript—all with no success so far.
Are there any open-source command line tool for optimizing PDF in Ubuntu. I have used Ghost Script and i am able to convert the PDF into 72 dpi, gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 ...