Drag & Drop your PDF file here

or

Set a Password to Protect Your File

How to Lock a PDF with a Password

1. Select Your PDF

Click 'Select PDF File' or drag and drop your document into the upload area.

2. Set a Password

Enter a secure password in both fields to ensure there are no typos.

3. Lock & Download

Click 'Lock PDF'. Your new, encrypted file will be ready to download instantly.

Why Use Our PDF Locker?

Total Privacy

Your files and passwords are processed locally and are never sent to our servers.

Strong Encryption

We use robust AES encryption to secure your documents, making them unreadable without the password.

Instant & Simple

The process is incredibly fast and straightforward. No complex settings, just a password and a click.

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Frequently Asked Questions

Is it safe to password protect my PDF here?

Yes, it is 100% safe. Your PDF file and the password you enter are processed directly in your web browser. Nothing is ever sent to our servers, guaranteeing your privacy.

What happens if I forget the password?

The password is used to encrypt the file. We do not store it anywhere. If you forget the password, there is no way to recover it or open the file. Please store your password in a safe place, like a password manager.

Can someone remove the password without knowing it?

No. With standard AES encryption, it is computationally infeasible to remove the password without knowing it. Your document is secure.