# How to merge multiple PDFs into one [Multiple possibilities](https://itsfoss.com/merge-pdf-linux/) ## 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