Lock and Unlock Your PDF Files
Your files never leave your device. Encrypt, decrypt and change passwords of your PDFs securely with our user-friendly tool.
Features
Unlock PDFs
Remove password protection from PDFs when you know the correct password. Safe and legitimate PDF unlocking that requires password verification.
Lock PDFs
Add password protection to PDF files to keep sensitive information secure. Lock PDFs quickly before sharing or storing them.
Change Password
Update or replace an existing PDF password without recreating the document. Maintain security over time with easy password changes.
Offline Processing
Works completely offline with no internet connection required. Process PDFs anywhere without worrying about connectivity.
Privacy First
No cloud uploads or file transmission. All processing happens locally on your device, ensuring maximum privacy and security for confidential documents.
Fast & Instant
Unlock or lock PDFs in seconds with instant on-device processing. No waiting, no file size limits imposed by servers.
Ready to Get Started?
Start locking and unlocking your PDF files with PDFSmith today. Your files never leave your device, ensuring maximum security and privacy.