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Security & signing

Unlock PDF

Remove the password from your own PDF. Free, no sign-up, nothing to install. Files are processed on your own device — never uploaded to a server.

Open Unlock PDF now All PDF tools

How to use Unlock PDF

  1. 1

    Open DinoRexPDF in the browser on your computer.

  2. 2

    Choose or drag in your files. They are processed on your own device, not uploaded.

  3. 3

    Finish your edits, then click Save to download the result.

Why DinoRexPDF?

Never touches the cloud

Files travel straight from phone to laptop over your own Wi-Fi.

No install, no account

Just a browser. No sign-up, no installation.

As fast as your Wi-Fi

No uploading or downloading. Big files move in seconds.

App-grade scanner

Edges detected automatically, perspective straightened, paper clean white.

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