My own project. I wanted to merge, sign and redact contracts without handing them to iLovePDF or Smallpdf, so everything runs in your browser: no backend, the CSP blocks connections to other hosts, no analytics, no account. Redaction actually removes the text instead of covering it. Don’t want to trust the hosted copy? Self-host it with Docker or use the offline Windows app.
https://github.com/jurecki007/nyxiontech-tools https://tools.nyxiontech.com/
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My own project
Given that majority of your project was contributed by Claude I’m afraid to ask my question. What differentiates this from competitors such as BentoPDF or StirlingPDF?
Ask it, and you are right about the code. 88 of the 103 commits carry Claude as a co-author. I direct it, review it and I am responsible for what ships, but I am not going to pretend I typed it.
On what differentiates it: against BentoPDF, honestly not much. It is bigger, older, same AGPL licence, and it does OCR, redaction and comparison too. Two real differences. There is a Windows desktop build for working offline, which BentoPDF does not ship, its releases are web dist archives. And the interface and the OCR are Polish as well as English, which is the reason I built it in the first place.
Stirling-PDF is a different shape. It runs server-side, so the document reaches a server even when that server is your own. Here it does not leave the tab.
If neither of those matters to you, BentoPDF is the more mature project and I would use that.
On trusting a privacy tool largely written by an AI, I would not ask you to trust me. The page is served with connect-src ‘self’ and form-action ‘none’, so it cannot post your file to anyone else, whatever the code wants. Open the network tab, run a conversion, and watch whether anything leaves. That takes a minute and it does not depend on who wrote the code.
Or even pdfcraft
What about OmniTools? You can self host it with docker/podman, or use the website. I’m pretty sure all calculations are done on device and not sent away, but don’t trust me on that.
What’s that about ilovepdf? I’ve been using it for D&D character sheets so nothing critical but still.


