tldr/pages/common/qpdf.md

24 lines
776 B
Markdown

# qpdf
> Versatile PDF transformation software.
- Extract pages 1-3, 5 and 6-10 from a PDF file and save them as another one:
`qpdf --empty --pages {{input.pdf}} {{1-3,5,6-10}} -- {{output.pdf}}`
- Merge (concatenate) a list of PDF files and save the result as another one:
`qpdf --empty --pages {{file1.pdf}} {{1,6-8}} --pages {{file2.pdf}} {{3,4,5}} -- {{output.pdf}}`
- Write each group of n pages to a separate output file with a given filename pattern:
`qpdf --split-pages=n {{input.pdf}} {{out_%d.pdf}}`
- Rotate certain pages of a pdf with a given angle:
`qpdf --rotate={{90:2,4,6}} --rotate={{180:7-8}} {{input.pdf}} {{output.pdf}}`
- Remove the password from a password protected file:
`qpdf --password={{password}} --decrypt {{input.pdf}} {{output.pdf}}`