Stirling PDF
Stirling PDF is a powerful, open-source, self-hosted web application that provides a wide range of PDF tools in a single interface. It allows users to edit, convert, compress, and manipulate PDF files locally — with no external file uploads — making it ideal for privacy-conscious individuals and organizations.
Self-Hosted & Private
All operations are run locally; no files are sent to third-party servers.
PDF Editing Tools
Merge, split, rotate, delete pages, extract pages, and rearrange PDFs.
Convert To/From PDF
Convert images, Office documents, HTML, and more to PDF — and vice versa.
Compress & Optimize
Reduce PDF size with configurable compression options.
Secure PDFs
Add passwords, remove restrictions, and encrypt/decrypt PDFs.
Image & Text Tools
Extract text/images, add watermarks, convert PDFs to images.
Multilingual Interface
Supports multiple languages and themes.
Docker-Friendly
Easily deploy via Docker for quick setup and isolation.