PDF to PDF HTTP API Examples

These examples demonstrate common PDF to PDF API workflows via HTTP API.

You can run the examples below with the displayed API credentials. Update the input URLs and filenames as needed.

Basic examples

Multiple PDFs to PDF file

curl -f -s -S \
  -u 'demo:demo' \
  -o offer.pdf \
  -F f_1=@cover.pdf \
  -F f_2=@proposal.pdf \
  -F f_3=@price.pdf \
  -F f_4=@contact.pdf \
  -F input_format=pdf \
  https://api.pdfcrowd.com/convert/24.04/

Watermark a PDF file

curl -f -s -S \
  -u 'demo:demo' \
  -o company_offer.pdf \
  -F page_watermark=@watermark.pdf \
  -F f_1=@proposal.pdf \
  -F input_format=pdf \
  https://api.pdfcrowd.com/convert/24.04/

Linearize a PDF file

curl -f -s -S \
  -u 'demo:demo' \
  -o linearized.pdf \
  -F f_1=@not_linearized.pdf \
  -F input_format=pdf \
  -F linearize=true \
  https://api.pdfcrowd.com/convert/24.04/

PDF manipulation examples

Extract page 3 and all pages from 7 to the end from the PDF file

curl -f -s -S \
  -u 'demo:demo' \
  -o output.pdf \
  -F f_1=@13_pages.pdf \
  -F input_format=pdf \
  -F action=extract \
  -F page_range=3,7- \
  https://api.pdfcrowd.com/convert/24.04/

Delete the first 3 pages and the 10th page from the PDF file

curl -f -s -S \
  -u 'demo:demo' \
  -o output.pdf \
  -F f_1=@13_pages.pdf \
  -F input_format=pdf \
  -F action=delete \
  -F page_range=1-3,10 \
  https://api.pdfcrowd.com/convert/24.04/