pdfjoin — PDF merging utility based on pdfjam. More information: <https://github.com/pdfjam/pdfjam-extras>.

Merge two PDFs into one with the default suffix "joined"

pdfjoin {{path/to/file1.pdf}} {{path/to/file2.pdf}}

Merge the first page of each given file together

pdfjoin {{path/to/file1.pdf path/to/file2.pdf ...}} {{1}} --outfile {{output_file}}

Save pages 3 to 5 followed by page 1 to a new PDF with custom suffix

pdfjoin {{path/to/file.pdf}} {{3-5,1}} --suffix {{rearranged}}

Merge page subranges from two PDFs

pdfjoin /{{path/to/file1.pdf}} {{2-}} {{file2}} {{last-3}} --outfile {{output_file}}