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tuxdna/convert.sh

Last active January 6, 2021 09:56
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Downsize scanned PDF files for low space
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convert.sh
# find the number of pages in pdf file
qpdf --show-npages file_name.pdf
# split into multiple pages using first-to-last range, where first page is 1 and last page is 4
pdftoppm -jpeg -f 1 -l 4 some-file.pdf p
# combine into single pdf
convert p-1.jpg p-2.jpg p-3.jpg p-4.jpg some-file-downsized.pdf
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