Skip to content
ZiaSignZiaSign
ZiaSign
  • Features
  • Free PDF Tools
  • How it works
  • Pricing
  • Company

    • About
    • Blog
    • Investors
    • Security

    Compare

    • vs DocuSign
    • vs Adobe Sign
    • vs PandaDoc
    • vs iLovePDF
    • vs Smallpdf
    • vs PDF24
    • vs Sejda
    Investor connectLatest blog
  • Free PDF ToolsFree
  • Browse use casesNew
  • How-to guides100+
  • Features
  • How it works
  • Pricing

Theme

Light mode

Sign Now
Sign Now

Unlock PDF — Free

Remove password protection from a PDF. No signup required. Secure, fast, and free.

Secure processing
Files deleted after 1 hour
No signup needed

Drop your file here

or click to browse · .pdf · Max 25 MB free

How to Unlock PDF

1

Upload the locked PDF

2

Enter the password

3

Click 'Unlock'

4

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.

Remove open password and permission restrictions
Unlock printing, copying, and editing
You must provide the correct password
No watermark on the unlocked PDF
Secure processing — files deleted after 1 hour
Works in any browser without installation

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.

Open guideBrowse all guides

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.

Unlock PDF to Enable Editing and Printing

Remove editing and printing restrictions from password-protected PDFs you own

Open guide
Browse all 139 use-case guides

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.

Related PDF Tools

Protect PDF
Flatten PDF
Sanitize PDF
Verify Signatures
Redact PDF
Auto-Redact PII
View all 118 tools

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.

Create Free AccountBrowse 139 Use-Case Guides

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.

ZiaSignZiaSign
ZiaSign

© 2026 ZiaSign. All rights reserved.

Product

  • Features
  • How it works
  • Pricing
  • About
  • Blog
  • Security

Free PDF Tools

  • All Tools
  • How-To Guides
  • Use-Case Guides
  • Organize PDFs
  • Convert PDFs
  • Edit PDFs
  • Security
  • Optimize
  • AI Tools

Compare

  • vs DocuSign
  • vs Adobe Sign
  • vs PandaDoc
  • vs iLovePDF
  • vs Smallpdf
  • vs PDF24
  • vs Sejda

Company

  • FAQs
  • Investors
  • Privacy Policy
  • Terms of Services

Social Links

  • LinkedIn
  • Facebook
  • YouTube
  • Instagram