Protect PDF
Encrypt your PDF with a password. Secure, private & fast.
Drag & drop PDF file
Why Use RajTool PDF Protector?
Total Privacy
Files are encrypted directly in your browser. Your sensitive documents (bank statements, contracts) never touch our servers.
Strong Encryption
We apply industry-standard encryption protocols that prevent unauthorized opening, copying, or printing of your PDF.
Instant Processing
No upload/download waiting times. Large files are processed in seconds using your device's processing power.
Free & Unlimited
Secure as many files as you want, completely free of charge. No registration or watermarks.
How to Encrypt a PDF File
- Upload PDF: Select your document or drag it into the box above.
- Set Password: Type a strong password in the security settings. Re-enter to confirm.
- Apply: Click "Encrypt & Save". Your browser will process the file instantly.
- Download: Save the protected PDF to your device.
Security FAQs
Common questions about PDF encryption.
Can you open my protected PDF?
No. We do not know your password and we do not have a copy of your file. Only you hold the key.
What if I forget the password?
Unfortunately, there is no way to recover the password if lost. Please store it safely.
Does it work on Mobile?
Yes, RajTool works on all modern browsers including Chrome, Safari, and Firefox on mobile devices.
Is it really free?
Yes, the service is completely free and supported by minimal, non-intrusive ads.