# Stirling-PDF (open-source PDF tool)

> Stirling-PDF is a free, open-source PDF tool for Windows, macOS and Linux. #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere. It has 93,752 GitHub stars and is released under the MIT (a separate proprietary directory is excluded) license, and people use it instead of Adobe Acrobat.

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 facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Stirling-Tools/Stirling-PDF |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 93,752 |
| License | MIT (a separate proprietary directory is excluded) (open source) |
| Replaces | Adobe Acrobat |
| Use it as | PDF editor |
| Language | TypeScript |
| Website | https://stirling.com |
| Official | yes (published by the project behind the app) |
| Category | PDF editors & tools |
| Latest release | v3.1.0 (Oct 5, 2026) |
| Last commit | Oct 7, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/Stirling-Tools/Stirling-PDF/releases) or website, or build it from source by following the README.

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