mirror of
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fbc5d91c2c549b5f05652655a95df2aa96a7143f
<img width="301" height="450" alt="Screenshot 2026-01-02 at 2 17 19 PM" src="https://github.com/user-attachments/assets/f7a1fd6d-722e-454a-a63d-d43709dd4e23" /> <img width="304" height="612" alt="Screenshot 2026-01-02 at 2 17 53 PM" src="https://github.com/user-attachments/assets/907ba03c-b95a-49e2-8285-8ccaffaf067f" /> Co-authored-by: Anthony Stirling <77850077+Frooodle@users.noreply.github.com>
refactor(resource): improve resource management and exception safety across controllers and utilities (#5350)
adding opacity to the PDFs so we can see the numbers and stamps better on the add PDF numbers and the add stamp tools (#5383)
build(local): simplify writeVersion task with WriteProperties plugin and enable build caching (#4139)
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Stirling PDF - The Open-Source PDF Platform
Stirling PDF is a powerful, open-source PDF editing platform. Run it as a personal desktop app, in the browser, or deploy it on your own servers with a private API. Edit, sign, redact, convert, and automate PDFs without sending documents to external 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 direct in UI with 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 feature list, see the docs: https://docs.stirlingpdf.com
Quick Start
docker run -p 8080:8080 docker.stirlingpdf.com/stirlingtools/stirling-pdf
Then open: http://localhost:8080
For full installation options (including desktop and Kubernetes), see our Documentation Guide.
Resources
Support
- Community Discord
- Bug Reports: Github issues
Contributing
We welcome contributions! Please see CONTRIBUTING.md for guidelines.
For development setup, see the Developer Guide.
For adding translations, see the Translation Guide.
License
Stirling PDF is open-core. See LICENSE for details.
Languages
TypeScript
47.1%
Java
42.9%
CSS
2.8%
Python
2.5%
Shell
1.3%
Other
3.2%

