What does the Password Protect PDF do?
Free PDF password protector — add a password and encryption to a PDF so only people with the password can open it. No sign-up, no server upload. It's part of TeckForge's pdf tools collection, sitting alongside related tools you can reach from the sidebar.
How to use the Password Protect PDF
- Open the Password Protect PDF — no account or installation needed.
- Upload the file from your device (or drag and drop it onto the page).
- Let the tool process it, then review the result right there in the browser.
- Download the finished file, ready to use or share.
Frequently asked questions
Do I need Microsoft Office or Adobe installed?
No. The Password Protect PDF runs entirely in the browser tab, so it works even on a device with no office software installed.
Is my document stored anywhere?
No — everything happens locally on your device. Nothing you upload is saved on TeckForge's servers.
Is it really free?
Yes, with no sign-up and no watermark added to your output.