Question 1

Does PDF Protect Local upload my files?

Accepted Answer

Yes. PDF Protect Local runs entirely in your browser using WebAssembly and Web Workers. Open DevTools → Network while using the tool — you will see no requests containing your file data. Works offline after the page loads.

Question 2

Can I verify PDF Protect Local is private?

Accepted Answer

Yes. Follow our Privacy Verification Guide at https://aladdin-agent.net/privacy-verification — disable Wi-Fi and confirm the tool still works.

Question 3

Is PDF Protect Local free?

Accepted Answer

Yes. PDF Protect Local is free with no signup. Pro unlocks batch processing, lossless export, and industry templates.

Question 4

How do I use PDF Protect Local?

Accepted Answer

Open https://aladdin-agent.net/tools/pdf-protect-local, upload or paste your input, then follow the on-screen steps. AES-256 password protect PDFs with qpdf Wasm — never uploaded.