# pdfunite > Merge PDF files. > More information: . - Merge multiple PDF files into a single one: `pdfunite {{path/to/file1.pdf path/to/file2.pdf ...}} {{path/to/merged_output.pdf}}` - Merge a directory of PDFs into a single file: `pdfunite {{path/to/directory/*.pdf}} {{path/to/merged_output.pdf}}`