Various PDF Methods

Making a PDF file out of images

For a single image: magick convert [image name] [document name].pdf For multiple images: magick convert [eg. IMG*] [document name].pdf

Add a signature to a pdf file

Make a .svg signature, for example in inkscape, and then use Xournal++ In the top menu, choose Tools→Image, click the place you want to insert the image of your signature and then choose the file in the file dialogue.

Add OCR to a pdf

You need a program called ocrmypdf. It’s available in the AUR. Then it is simply: ocrmypdf your-file.pdf your-file-with-OCR.pdf