HoudiniPDFFree
100% In-Browser & Private

Unlock PDF & Remove Restrictions

Remove password protection, print restrictions, and copy-paste limits from your PDF.

Select locked PDF document

Drop your password-protected PDF here to remove security restrictions

Quick Guide

How to use Unlock PDF in 3 easy steps

No software installation required. 100% free and runs smoothly on mobile, tablet, or desktop.

1

1. Select Locked PDF

Upload the document with restrictions or passwords.

2

2. Enter Password (if required)

Provide the password if it has an open security lock.

3

3. Download Unlocked PDF

Download a clean version with all restriction flags removed.

Guaranteed Document Confidentiality

Your files stay on your machine. Client-side tools do not send your files to our servers.

Zero Server Upload

Frequently Asked Questions

Everything you need to know about Unlock PDF on HoudiniPDF.

Can I remove owner/permission restrictions without a password?

Yes! Print, copy, and form-fill restrictions can usually be removed automatically in the browser.

What if the PDF requires a password to open?

You will need to input the password once so our engine can decrypt the file and save it without password protection.

Is it legal to unlock my PDF?

Yes, if you have the legal right or ownership of the document.

Is my unlocked PDF saved on a server?

No. The decryption and resave is 100% browser-based.

Is this tool free?

Yes, 100% free with no limits.