Lock & Unlock PDF Files Online – Secure or Remove Passwords Instantly
Protect your PDF files with a password to secure sensitive information, or remove password protection to edit or share your PDFs. PDFImageTools allows you to do it online, fast, and for free.
How PDF Password Protection Works
- Upload your PDF file
- Enter a password to lock, or the existing password to unlock
- Click the appropriate button (Lock or Unlock)
- Download your processed PDF
Benefits of Locking PDFs
- Protect sensitive or confidential information
- Control access to your PDF content
- Secure PDFs for email, sharing, or storage
Benefits of Unlocking PDFs
- Edit, merge, or compress previously protected PDFs
- Access content easily without remembering passwords
- Prepare files for collaboration or printing
Security
All uploaded PDFs are deleted automatically after one hour. Files are processed securely and never shared with third parties.