Protect PDF

Unlock PDF — free & online

Unlock a PDF online for free. Remove password protection from a PDF when you know the password.

How to use Unlock PDF

Upload your file

Open the Unlock PDF tool and choose the file from your computer, or drag and drop it in.

Run Unlock PDF

Click the button and GenPrompt processes your file in seconds — no software to install.

Download the result

Download your finished file straight away. There are no watermarks and your file is processed securely.

Related PDF tools

Unlock PDF — frequently asked questions

Is the Unlock PDF tool free?

Yes. Unlock PDF is free to use with a GenPrompt account — there is no watermark on your output and no per-file charge.

Is it safe to use Unlock PDF online?

Your files are processed securely over HTTPS and are not shared with third parties. Organisations with strict data-residency needs can also run the same engine in-house via a private licence.

Do I need to install software to use Unlock PDF?

No. Unlock PDF runs entirely in your browser. There is nothing to download or install.

Use Unlock PDF free

Create a free GenPrompt account and get Unlock PDF plus every other PDF tool.

We use essential cookies to operate this site, manage your session, and remember your preferences. We do not serve third-party advertising. See our Privacy Policy for details.