Unlock PDF — Free
Remove password protection from a PDF. No signup required. Secure, fast, and free.
Drop your file here
or click to browse · .pdf · Max 25 MB free
How to Unlock PDF
Upload the locked PDF
Enter the password
Click 'Unlock'
Download the unlocked PDF
Frequently Asked Questions
1How do I unlock a password-protected PDF?
Upload the locked PDF to ZiaSign, enter the document password, click 'Unlock', and download the protection-free PDF. You must know the password.
2Can I unlock a PDF without the password?
No. You must provide the correct password to unlock the PDF. ZiaSign cannot bypass or crack PDF passwords.
3Does unlocking remove all restrictions?
Yes. Both the open password and all permission restrictions (print, copy, edit) are removed from the unlocked PDF.
Why Use ZiaSign's Unlock PDF Tool?
ZiaSign's free PDF unlocker removes password protection from your PDF files. Enter the document password once and download an unrestricted copy. All open passwords and permission restrictions (print, copy, edit) are removed. You must know the password — ZiaSign cannot bypass or crack passwords. No watermark, no signup.
Also known as: remove pdf password · pdf unlocker · unlock pdf online free · remove password from pdf · decrypt pdf
How-to guide
Prefer the step-by-step version first?
Step-by-step instructions to remove password protection from a pdf with ZiaSign.
Popular Ways to Use Unlock PDF
Jump straight to the query-specific guide that matches what you are trying to do, then open the tool when you are ready.
Why teams stay with ZiaSign after the first quick fix
The strongest tool pages do not just solve one file problem. They make the next document task easier to start and easier to trust.
Secure file handling by default
Files are processed securely and automatically deleted after 1 hour so quick PDF jobs do not turn into storage risk.
118 tools and 139 workflow guides
Start with a single tool page, then move into guided document tasks without leaving the platform.
Free to start, deeper when the workflow grows
Anonymous tools cover quick fixes, while accounts, Pro, and Enterprise plans support heavier document operations.
118+
Free PDF Tools
100%
Browser-Based
No
Installation Needed
SOC 2
Compliant Security
Trusted by thousands of professionals worldwide. All files are processed securely in your browser or encrypted servers and automatically deleted.
Need larger uploads or saved work?
Create a free account to unlock larger uploads, saved progress, and guided workflows across 118 tools.
Stay Ahead of Contract Tech
Get monthly insights on AI contract management, e-signature trends, and product updates. No spam, unsubscribe anytime.
Join 2,000+ legal and ops professionals. Unsubscribe anytime.