Stirling PDF – Open‑Source Alternative to Acrobat
Stirling PDF is a powerful, open‑source PDF platform that replaces Adobe Acrobat on desktop, in the browser, and on your own servers. Run it as a personal app or deploy it centrally with a private API to edit, sign, redact, convert, and automate PDFs without sending documents to third‑party services.
Key Capabilities
- Everywhere you work – Desktop client, browser UI, and self‑hosted server with a private API.
- 50+ PDF tools – Edit, merge, split, sign, redact, convert, OCR, compress, and more.
- Automation & workflows – No‑code pipelines and APIs to process millions of PDFs.
- Enterprise‑grade – SSO, RBAC, auditing, and flexible on‑prem deployments.
- Developer platform – REST APIs, SDKs, and on‑prem AI integrations for PDF‑centric apps.
- Global UI – Interface available in 40+ languages.
For a full and always up to-date feature list, see the docs: https://docs.stirlingpdf.com
Quick Start
The fastest way to get started is with Docker.
For full installation options (including desktop and Kubernetes), see https://docs.stirlingpdf.com.
docker run -p 8080:8080 docker.stirlingpdf.com/stirlingtools/stirling-pdf