A developer-friendly API for converting numerous document formats into PDF files, and more!

A Python library for reading and writing PDF, powered by QPDF

Simply remove known password from multiple pdf (python or powershell)

A transient Emacs wrapper for qpdf

Simple Go bindings for qpdf C / C++ API; mostly for linearization.

pdftl: A modern Python-based successor to pdftk. A CLI tool for PDF manipulation, merging, and geometry (crop/chop) powered by pikepdf and qpdf.

qpdf binary for our alpine images

GitHub Action that installs qpdf, for PDF files processing in command-line

Secure PDF protector: convert to images, apply blur/noise, embed random watermarks, lock with qpdf (extract=no). Anti-copas, anti-OCR, no password needed. Ghostly defense for your files.

Scripts to reorder PDFs for easier multiple page/sheet printing and cutting.

Docker image for QPDF

PDF compression and manipulation service

Up-to-date qpdf binary buildpack for heroku.

A PDF manipulation library based on QPDF

PDF Mix Tool is a simple and lightweight application that allows you to perform common editing operations on PDF files.

Converting digital PDFs to simulated scanned PDFs.

A tool for removing PDF protection restrictions.

Shell Script Redact PDF using open source softwares

Command-line, quality-first PDF optimizer. Drop PDFs into input/, get optimized results in output/. Ghostscript + qpdf with optional PSNR quality gate and a never-worse guarantee.