PDF to PDF API - Command Line Tool

Join multiple PDF files from the command line using the Pdfcrowd API v2.


Install the application from PyPI
 $ pip install pdfcrowd

You can learn more about other install options here.


Authentication is needed in order to use the Pdfcrowd API. The credentials used for accessing the API are your Pdfcrowd username and the API key. You can sign up for the Pdfcrowd API here.


Join 4 local PDF files together to a PDF file
pdf2pdf -user-name "your_username" -api-key "your_apikey" \
    /path/to/cover.pdf \
    /path/to/proposal.pdf \
    /path/to/price.pdf \
    /path/to/contact.pdf > offer.pdf

Tips & Tricks

pdf2pdf Manual

Conversion from PDF to PDF.

usage: pdf2pdf [options] source

Conversion from PDF to PDF.

positional arguments:
  source                Input files used for a conversion.

optional arguments:
  -user-name USER_NAME  Your user name at pdfcrowd.com.
  -api-key API_KEY      Your API key at pdfcrowd.com.
  -action ACTION        Specifies the action to be performed on the input
                        PDFs. Allowed values are join, shuffle.
  -debug-log            Turn on the debug logging. Details about the
                        conversion are stored in the debug log.
  -tag TAG              Tag the conversion with a custom value. The tag is
                        used in conversion statistics. A value longer than 32
                        characters is cut off. A string with the custom tag.
  -use-http             Specifies if the client communicates over HTTP or
                        HTTPS with Pdfcrowd API.
  -user-agent USER_AGENT
                        Set a custom user agent HTTP header. It can be usefull
                        if you are behind some proxy or firewall. The user
                        agent string.
  -proxy PROXY          Specifies an HTTP proxy that the API client library
                        will use to connect to the internet. PROXY must
                        contain 4 values separated by a semicolon. The proxy
                        hostname. The proxy port. The username. The password.
  -retry-count RETRY_COUNT
                        Specifies the number of retries when the 502 HTTP
                        status code is received. The 502 status code indicates
                        a temporary network issue. This feature can be
                        disabled by setting to 0. Number of retries wanted.

produced by: www.pdfcrowd.com


  • Check API Status Codes in case of the error code is returned.
  • You can use -debug-log to get detailed info about the conversion, such as conversion errors, time, console output.
  • Take a look at the FAQ section.