PDF Tools

PDF Tools

A privacy-first offline PDF toolbox with no file size limits

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PDF Tools is a lightweight desktop application for handling PDF files locally. Most online PDF tools have file size limits or require uploading sensitive documents. This tool runs completely offline, so your files never leave your computer. It supports common PDF operations such as merging, splitting, compressing, and converting PDFs, and works well even with large files (200MB+). Built for people who care about privacy, reliability, and simplicity.
PDF Tools gallery image
PDF Tools gallery image
PDF Tools gallery image
Free
Launch tags:Productivity•Privacy•GitHub
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What do you think? …

SU YAOYONG
Maker
📌
Hi everyone 👋 I built PDF Tools because I often work with large or sensitive PDF files, and most online tools either fail on big files or require uploading documents. This is a local, offline desktop app that focuses on privacy and reliability. I’m sharing it here to get feedback and ideas for improvement. Happy to answer any questions!
SU YAOYONG
Maker

If you're looking to try it right away, you can download the prebuilt Windows app here:

https://github.com/suyaoyong/pdf-tools/releases/tag/v0.1.0

No Python installation is required — the app is fully packaged and runs offline.

Happy to answer any questions or hear your feedback!