Protect PDF
Protect PDF adds a password so only people who know it can open your document. Useful for bank statements, salary slips and personal records.
- Free
- No signup
- Server engine for this tool
Protect PDF tool
Password protect a PDF using qpdf when available.
Open Protect PDF →This tool uses a server engine. Files are used only to create your result and are cleaned up afterwards. See our privacy and security page.
How to use Protect PDF
- Open the tool in the DocConvertPRO workspace using the button above.
- Upload or enter your content and set any options.
- Press Process & Download and save your file.
Why use DocConvertPRO?
- Free to use with no signup or watermark.
- Server engine for heavy jobs, with files cleaned up after processing.
- Works on phones, tablets and computers.
- Made for Indian users: rupees, lakh/crore formats and local use cases.
Common uses
- Lock salary slips, bank statements and ID documents before emailing
- Protect confidential contracts and quotations
- Share exam results or reports with a password
- Add basic privacy before using public cloud links
Frequently asked questions
What if I forget the password?
It cannot be recovered, so keep the password in a safe place.
Is it free?
Yes.
Is the encryption strong?
It uses standard PDF password protection supported by the server engine.
Can I remove the password later?
Yes, with Unlock PDF and the correct password.