oam/knowledge base/pdftk.md

PDFtk

TL;DR

# combine multiple files
pdftk file1.pdf file2.pdf file3.pdf cat output newfile.pdf

# rotate a file
pdftk file.pdf cat 1-endleft output newfile.pdf

Combine multiple files

pdftk file1.pdf file2.pdf file3.pdf cat output newfile.pdf

where:

• file{1..3}.pdf are the input file
• cat is the operation on the files
• output is the operation after the read
• newfile.pdf is the new file with the result

Rotate a file

pdftk file.pdf cat 1-endleft output newfile.pdf

where:

• file.pdf is the input file
• cat is the operation on the file
• 1-end is the range of pages on which execute the rotation
• left is the direction of the rotation
• output is the operation after the read
• newfile.pdf is the new file with the result

Further readings

• Combine multiple PDF files with PDFTK
• Lossless rotation of PDF files with ImageMagick