Lock PDF (Free, Private, No Upload)
Restrict printing, copying, or editing without uploading your document. Owner permissions are applied locally so confidential files remain secure.
- Click Choose PDF and open your file.
- Set desired restrictions and an owner password.
- Press Save PDF to download the locked document.
Related tools: Protect PDF, Unlock PDF, Remove Links
FAQ
Is my file uploaded?
No, locking occurs in your browser.
What’s the difference between lock and protect?
Lock sets permissions; Protect adds a password for opening.
Can I unlock it later?
Yes, use the Unlock PDF tool with the owner password.
Does it work offline?
Once loaded, the tool runs without internet access.
Can I lock multiple files?
Process them one at a time without limits.