k2pdfopt: optimize PDF files for mobile devices

If you usually read on mobile devices, you will have found that sometimes reading files not optimized for these devices is not the best idea. In fact, you only need to read a justified text from a web page to check that the word spacing doesn’t look too good. This is something that happens even more if possible with PDF files and also on tablets or e-readers like Amazon’s Kindle. To avoid such problems, we present to you today k2pdfopt, A small application that will solve the readability problems typical of mobile devices.

The idea is to keep us from fighting with him PDF file to read it well, which may include that we are constantly zooming in or fighting with the scroll bars. We could always convert it to another format, such as ePub to which we could convert a file with Caliber, but we can also change the characteristics of the PDF file to better fit a screen so small that we fit in the palm of our hand. k2pdfop does just that, “read” the PDF or DjVu file and “copy” what would be a smaller page while removing margins and respecting the original images, graphics and source.

How to use k2pdfopt on Ubuntu

  1. Let’s go to the page willus.com/k2pdfopt/download and we download the binary file for Linux 32/64 bits depending on our operating system.
  2. We give you execution permissions with the following command:
  3. Already with the permissions granted, we open a terminal and go to the folder where the file we want to modify is.
  4. Inside the folder, run the following command (where you need to change the name “file.pdf” to the name of our PDF or DjVu):
  5. A list will appear with all the available options. We give it to Return to confirm.
  6. It will start working, we wait for it to finish, and in seconds we will have our PDF optimized to read on mobile devices.

If in step 4 we do not enter any option (which would be like: k2pdfopt file.pdf), we can choose what to do at the time we see all the options.

Now you no longer have an excuse not to read PDFs in condition on your mobile, right?


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