Hidden Folder - Calculator

Hidden Folder is a private vault disguised as a real, fully working calculator. Anyone who opens it just sees an ordinary calculator — only you know the secret. 🔒 HOW IT WORKS Type your secret password on the calculator like a normal calculation and press "=". Your hidden vault opens instantly. To anyone else, it's just a calculator. 📁 KEEP PRIVATE THINGS PRIVATE • Photos — imported from your gallery and stored encrypted • Videos — hidden in the app's private storage, invisible to other apps • Notes — encrypted text notes 🛡️ REAL PRIVACY, ON YOUR DEVICE • Photos and notes are encrypted with AES-256 • The encryption key is protected by the Android Keystore • Files are invisible to your gallery, other apps, and a connected PC • Screenshots are blocked and content is hidden in the app switcher — just like banking apps • Everything stays on your device: no account, no cloud, no data collection ⚡ SMART & FAST • Auto-locks when you leave the app or when you shake your phone • Option to delete the original file from your gallery after importing • Save any item back to your gallery whenever you want • Pinch to zoom photos • Light & dark theme, follows your system • English & Turkish 🧮 A REAL CALCULATOR TOO It isn't a fake shell — it's a fully functional calculator you can actually use every day. Important: Your password is the only key to your vault. If you forget it or uninstall the app, your hidden content cannot be recovered. Please remember your password.