pdf

A PDF document can be signed by inserting an image file with a signature (e.g. scanned copy of a written signature save as a .PNG file with a transparent background). This can be done using a handwriting note-taking software with PDF annotation support that is called Xournal++. It is an open-source and cross-platform application that […]

Ghostscript is a suite of software based on an interpreter for Adobe Systems’ PostScript and Portable Document Format (PDF) page description languages. It can be used to merge PDF files or extract specific pages from a PDF file from the command line in Linux (Ubuntu) without loosing the quality.

A scanned document saved as PDF can be too large, that is not always good. For example, the large size of a PDF file won’t permit to send it by email because of the probable limitation on the maximum size of attachments. In Linux you can compress a PDF file from the command line without […]

Sometimes it is required to extract some pages from a PDF file and save them as another PDF document. In Linux we can easily split PDF documents by pages using the command line utility called pdftk. From this article you will learn how to extract individual pages or a range of pages from a PDF […]

Sometimes it is required to merge several PDF files into a one PDF file. In Linux we can easily join multiple PDF files using the command line utility called convert that is a part of ImageMagick software suite. From this article you will learn how to merge entire PDF files into one PDF file or […]