1
vote
2answers
71 views

Are PDF files opensouce? [closed]

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?
11
votes
4answers
13k views

Command line tool to crop PDF files

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.
7
votes
1answer
2k views

Open Source command line tool for optimizing PDF

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 ...