🚀 PDF Unlocker

June 29, 2026 · View on GitHub

A simple, fast, and privacy-focused Android app for removing passwords from PDF files when you know the correct password.

PDF Unlocker is a free and open-source Android application that removes password protection from PDF files you are authorized to access.

Simply select a password-protected PDF, enter the correct password, and the app creates an unlocked copy entirely on your device.

No internet connection, no ads, no tracking, and no data leaves your phone.

✨ Features

Remove password protection from PDFs using the password you provide
Save an unlocked copy while preserving the original PDF
Material 3 user interface
Fully offline processing
No account required
No internet connection required

📸 Screenshots

⚙️ How It Works

Select a password-protected PDF.
Enter the correct password.
PDF Unlocker verifies the password locally.
An unlocked copy is saved to your device.

The original PDF is never modified.

📱 Compatibility

Android 10 (API 29) or later

🛠️ Open Source Libraries

PDFBox Android
Android Jetpack Compose
Material 3
Android DataStore

📄 License

Licensed under the Apache License 2.0. See the LICENSE file for details.

🔒 Privacy

PDF Unlocker does not collect, store, transmit, or share any personal data.

All PDF processing is performed locally on your device. No files are uploaded to any server, and no account or internet connection is required to use the app.

PDF Unlocker works entirely on your device.

No data is uploaded.
No cloud processing.
No analytics.
No tracking.
No ads.
No user account required
All processing happens locally on your device.