PDF Lock & Unlock
Secure PDF with Password
$0.99 · Designed for iPad. Not verified for macOS.
Lock and unlock PDF files securely using a password. Works fully offline with no internet or server required. Fast, private, and easy to use.
PDF Lock & Unlock lets you securely protect your PDF files with a password or remove the password when you need access again.
Everything works fully offline — your documents never leave your device.
Key Features
• Lock PDFs with a password
• Unlock PDFs using the correct password
• Fully offline — no internet, no server
• Fast and lightweight
• Simple and clean interface
Your privacy matters. All PDF processing happens locally on your device.
Ideal for protecting sensitive documents, sharing secured PDFs, or removing passwords from your own files.
No subscriptions. No tracking. Just a focused PDF utility.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, StudyBridge LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- StudyBridge LLC
- Size
- 26.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 StudyBridge LLC
