OpruneToolHub

OpruneToolHub is a clean, fast, offline-first utility app that brings everyday tools into one place. No account required.

Available tools in this version:

Flashlight (camera torch)
QR and barcode scanner
Unit converter (length, weight, temperature)
Currency converter (manual rate input)
Standard calculator
Scientific calculator
Countdown timer
Stopwatch with lap times
Offline notes (stored on your device)
Device information
Color picker (HEX and RGB)
Image size estimator (compression preview)
Settings, permission guide, privacy policy, and about
Why OpruneToolHub:

Offline-first design for core utilities
No sign-in required
Color-coded categories for quick browsing
Local notes storage on your device
Camera permission requested only for scan and flashlight tools
Privacy:

OpruneToolHub stores notes and tool inputs locally on your device by default. Camera access is used only for scanning and flashlight features. See the in-app Privacy Policy for details.