# 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 personal API to edit, sign, redact, convert, and automate PDFs locally.

 --- ## 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, auditing, and flexible on‑prem deployments. - **Developer platform** – REST APIs available for nearly all tools to integrate into your existing systems - **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 ```bash docker run -p 8080:8080 docker.stirlingpdf.com/stirlingtools/stirling-pdf ``` Then open: http://localhost:8080 ## Resources - **Documentation**: https://docs.stirlingpdf.com - **Homepage**: https://stirling.com - **API Docs**: https://registry.scalar.com/@stirlingpdf/apis/stirling-pdf-processing-api/ - **Server Plan & Enterprise**: https://docs.stirlingpdf.com/Paid-Offerings ## Support - Community Discord: https://discord.gg/HYmhKj45pU - Bug Reports: https://github.com/Stirling-Tools/Stirling-PDF/issues ## Contributing - Contribution Guidelines: CONTRIBUTING.md - Developer Guide: devGuide/DeveloperGuide.md - Translation Guide: devGuide/HowToAddNewLanguage.md ## License Stirling PDF is open-core. See LICENSE for details.