How to merge multiple PDFs into one

Multiple possibilities

Command line

==ATTENTION: The last argument is the output file and will be overridden==

pdfunite in-1.pdf in-2.pdf in-n.pdf out.pdf

Using Libre Office

• Open all pdf files with Libre Office Draw.

• Select the pages that should be appended to the other document by clicking on them in the left pages bar (press shift or strg to select multiple ones)

• Ctrl-C

• Go to the pages bar where they should be inserted

• Ctrl-V

• If asked if the pages should be scaled select ‘no’

• Export as pdf