2015-08-16

PDF Diff

• ​http://superuser.com/questions/46123/how-to-compare-the-differences-between-two-pdf-files-on-windows
• On Linux and Windows you can use diffpdf (which differs from diff-pdf mentioned in this thread). On Ubuntu install using:

  sudo apt-get install diffpdf
  

• See further this ​UbuntuGeek page on comparing pds textually or visually.