Windows allows to convert JPG/PNG images to PDF for free without having to install any additional software. There are also many sites offering to convert JPG/PNG images to PDF online, but do you really trust them enough to upload your personal documents to their servers, especially when there is an easy way to create a […]
Remove Password From PDF – Unlock for FREE
If you have a PDF file protected by a password, you may wonder how to unlock it and remove the password protection so you don’t have to enter the password every time you want to open the file. The PDF file protection can be easily removed by using a “Print” feature that is present in […]
Sign PDF: Add Signature Image to 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 […]
Merge PDF in Ubuntu Linux – Command Line
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.
Linux: Compress PDF – Reduce PDF Size
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 […]
HowTo: Split PDF File – Linux Command Line
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 […]
HowTo: Merge PDF Files – Linux Command Line
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 […]