Protect PDF
Add a password so only the right people can open your PDF.
About Protect PDF
Protect PDF encrypts your PDF with a password using strong AES encryption. Anyone opening the file must enter the password first — ideal for sending salary slips, ID copies or contracts by email or WhatsApp.
- Select your file
- Choose options
- Press “Protect PDF”
- Download
Popular searches: password protect pdflock pdf with passwordencrypt pdf online freepdf par password kaise lagaye
More about Protect PDF
Tips
- Share the password through a different channel than the file, e.g. file by email, password by SMS.
Also called: PDF पर पासवर्ड · PDF-এ পাসওয়ার্ড দিন
FAQ
What if I forget the password?
There is no way to recover it. Keep the unprotected original safely.
Is Protect PDF free?
Yes. Protect PDF is completely free with no signup, no watermark and no daily limit for normal use (a fair-use limit protects the server from abuse).
Is it safe to use Protect PDF?
Yes. Files are sent over HTTPS, processed on our own server and deleted automatically — immediately after processing and in any case within 1 hour.
Which files can I use?
PDF.
Does it work on mobile?
Yes. Every tool is designed for phones first and works in any modern mobile browser on Android and iPhone.