Stirling-PDF
Merge, split, edit and convert PDFs in your own instance.
New to this? What open source means and how to read this page.
What it is
A PDF toolbox you can self-host: merge, split, rotate, compress, OCR, sign and convert, all in one web interface.
Good for
Everyday PDF work without uploading private documents to a random website.
The catch
The repository is MIT, but some directories are under a separate proprietary license. Check which features you use. Heavy page editing is less polished than Acrobat.
Facts checked on 12 October 2026. We have not yet run a hands-on test of this tool. When we do, it gets a "Tested" mark here. Approximate US list prices for an individual plan, from third-party price trackers checked on 12 Oct 2026. Monthly billing where it exists. Regions, taxes and promotions change them. Confirm at the vendor before you decide.
