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

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

Client-side PDF toolkit — lock, unlock, merge, split & rotate PDFs in the browser. qpdf compiled to WebAssembly, fully typed, files never leave the device.

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

Laravel PDF package to merge, split, extract pages, watermark, encrypt, and optimize PDFs using qpdf.

PDF CLI pipeline: merge, split, crop, rotate, compress, extract images, add text and more. Modern pdftk replacement, powered by pikepdf/qpdf.

🤏🏽 Reduce PDF file size

A transient Emacs wrapper for qpdf

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

純前端 PDF 浮水印移除工具 pdf-watermark-remover

A Pure Rust PDF reader/writer library and CLI, modeled on qpdf.

Defensive PDF scanner using pdfid/pdf-parser with optional ClamAV and qpdf rewrite, wrapped in a Streamlit UI.

qpdf binary for our alpine images

QPDF WASM - PDF Optimizer & Compressor

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

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

4D-QPDF component provides you with a single command to simply extract attachments from PDF/A-3 files

Local-first PDF compressor: shrink PDFs below a target size, fully offline — no uploads, no account, no network calls. CLI + Python library.

Ruby CLI for Linux, macOS, WSL and Termux that removes file metadata with ExifTool, mat2, qpdf and ffmpeg, with before/after verification.

Cross-platform GUI app to flatten problematic form PDFs with qpdf, pdftocairo, and Ghostscript fallbacks.