Protect PDF with a Password
Lock confidential documents with real AES-256 encryption. Only people with the password can open the file, and you can restrict printing, copying and editing.
- 100% free
- No signup
- Files stay on your device
Processing happens locally in your browser. Your files are not uploaded to IMGWE or any other server.
How to use Protect PDF
Add the PDF to protect.
Enter a strong password and choose permissions.
Encrypt and download the protected PDF.
Private
Your files are processed on your device and never uploaded.
Free
No account, no watermark and no daily limits.
Fast
No upload or queue – results are ready in seconds.
Any device
Works in modern browsers on desktop, tablet and phone.
Frequently asked questions
Password protect PDF files with strong AES-256 encryption online. Optionally block printing, copying and editing – encrypted locally in your browser.
How secure is the encryption?
Files are encrypted with AES-256, the strongest standard PDF encryption.
Can I recover a lost password?
No. Keep your password safe; it cannot be recovered from the encrypted file.
Is my PDF uploaded?
No. Encryption happens in your browser.
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