Keycard Tool is an application designed to help you easily check and back up keycards that operate at a 13.56 MHz frequency. It's safe, simple, and supports a wide range of card types such as condo access cards, elevator cards, employee badges, fitness cards, and more commonly used cards in daily life.

🛡️ Secure & Privacy-Focused
All card data is stored locally on your device. Nothing is uploaded to any server, ensuring maximum privacy.

📲 Supports a Wide Range of NFC Cards
Efficiently reads and backs up cards using the 13.56 MHz frequency, including Mifare Classic 1K cards.

🔍 Instant UID and Block0 Reading
With just a single tap, the app reads essential card data like UID and Block0, allowing you to quickly check or back it up.

📦 Card Scan History
The app keeps a local history of all scanned cards, making it easy to view and manage your records anytime.

🌐 Multi-Language Support
Easily switch languages within the app. Perfect for users from different countries.

🔐 Easy to Use – No Root Required
Simply use any NFC-enabled Android smartphone. No rooting, no extra equipment needed.

This app is ideal for both professionals managing keycards and everyday users who want the peace of mind of having a backup.
Download now and take control of your keycards!