How to merge multiple PDF files to a PDF on Linux?
How to Merge Multiple PDF Files on Linux
Merging PDFs is a common task for organizing documents.
The Command
pdfunite file1.pdf file2.pdf output.pdf
Linux PDF Tools in 2026
In 2026, pdfunite (part of poppler-utils) remains a lightweight and fast choice. For more advanced merging, compression, or metadata editing, qpdf and pdfjam are excellent alternatives. If you prefer a graphical interface, PDF Arranger is a popular, modern GTK app that allows you to visually drag-and-drop pages from multiple files.
solution:
use pdfsam