Stirling PDF
PDF editing platform with 50+ tools to edit, merge, split, sign, redact, convert and OCR documents
Free · Open sourceLatest versionMac
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About Stirling PDF
Stirling PDF is an open-source PDF editing platform that you can run as a personal desktop app, in the browser, or on your own servers. It is built so you can edit, sign, redact, convert and automate PDFs without sending documents to external services.
More than 50 tools cover everyday jobs such as merging, splitting, OCR and compression, and no-code pipelines let you chain steps together in the interface. It suits individuals handling paperwork as well as teams that want a private place to process documents.
Highlights
- 50+ tools to edit, merge, split, sign, redact, convert, OCR and compress
- No-code automation pipelines built in the interface
- Desktop client, browser UI and self-hosted server options
- Interface available in 40+ languages
- REST APIs for nearly all tools
Description adapted from the project README.
- Version
- 3.2.0
- Updated
- Oct 15, 2026
- Size
- 317 MB
- License
- MIT License
Open source details
- Source code
- Exact source for v3.2.0
- Released
- Oct 15, 2026
- GitHub stars
- 94.2K
- Website
- stirling.com
Community project. Help and bug reports go to the maintainers on GitHub; AppsXi does not provide support for this app.
License
PermissiveMIT License
Use, change and share it freely, including in closed source apps, as long as the copyright notice stays.
Read the full licenseHow this app was checked
AppsXi checks every version before it is listed.
Signed by STIRLING PDF INC. (8RGUXHA368)
Apple Developer ID team 8RGUXHA368
Notarized by Apple
Hardened Runtime on
File matches the hash GitHub published
SHA-256 12c85987121b03e2a49e74cfa663a60e72f41bef66a6c6a16b40f5d1fe1722cf
No malware found
ClamAV 1.5.4 on Oct 16, 2026
Install and behavior test in a virtual machine: not run yet
Coming soon for all listings.
Versions
3.2.0checked
Checked Oct 16, 2026 · Mac
DMG · 317 MB
Questions about Stirling PDF
Is Stirling PDF free?
Yes. Stirling PDF is free and open source under the MIT License. AppsXi lists the maintainers' official release and does not charge for it.
Is Stirling PDF safe to download?
AppsXi downloads every version of Stirling PDF from the maintainers' official GitHub release and checks it before it is listed. For version 3.2.0 (checked Oct 16, 2026), the Mac download is signed by its developer and notarized by Apple, each file matches the checksum GitHub publishes for the release, byte for byte and a malware scan found nothing.
Does Stirling PDF run on Apple silicon Macs?
Yes. Stirling PDF has a native Apple silicon build, and it runs on Intel Macs too.
What does Stirling PDF need to run?
Stirling PDF needs macOS 10.15 or later.
Who makes Stirling PDF?
Stirling PDF is an open source project by Stirling Tools on GitHub (Stirling-Tools/Stirling-PDF). Help and bug reports go to its maintainers there.
Reviews
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