Password protect a PDF

Encrypt with a password (AES-256) and control printing and copying.

Drag & drop files here

PDF files · one or more files

Choose files

Processed on your device — nothing is uploaded

You can also paste with Ctrl+V

How it works

Add a PDF file.
Type a password and choose restrictions.
Click “Protect” and download the encrypted copy.

About this tool

Before sending a sensitive document, lock it with a password so only the right people can open it. We use AES-256, the strongest PDF standard, and you can also block printing, copying and editing.

Why use Warqa for this?

Your files are never uploadedProcessing happens in your browser, so documents never pass through a server — safe for contracts and confidential files.

No limits, no sign-upNo caps on file size or count, no account, no email and no watermark on your results.

Instant and works offlineNo upload or download wait, and you can install it as an app and use it without internet.

Frequently asked questions

Do you store the password?

No. The password never leaves your device and we can’t recover it, so keep it safe.

Will protected files open everywhere?

Yes — in Adobe Acrobat, web browsers and modern mobile apps.

Are my files safe?

Yes. There is no server that receives your files; everything is processed in your browser and stays on your device. You can confirm it in the Network tab of your browser’s developer tools.

Is it really free?

Yes. Every tool is free with no daily limits, no sign-up and no watermark on your files.

Does it work on phones?

Yes, it works in any modern mobile or desktop browser, and you can install it as an app from the browser menu.