LightBlue® — Bluetooth LE

LightBlue® – A powerful Bluetooth Low Energy scanner app for developers and users

LightBlue® connects you to all nearby devices that use Bluetooth Low Energy (Bluetooth Smart / Bluetooth Light). Easily scan, connect, and explore any BLE peripheral with a clean interface optimized for fast testing and BLE device troubleshooting. This tool also supports long-tail needs like BLE signal strength tracking, Bluetooth developer utility workflows, and advanced device diagnostics.

With full read, write, and notify support, LightBlue® streamlines firmware development and makes it simple to verify functionality across sensors, wearables, and custom peripherals. Real-time RSSI helps you estimate proximity—perfect for locating lost Fitbits or other BLE devices. A detailed log tracks every major BLE event for analysis and sharing.

Whether you're testing a BLE Heart Rate Monitor, temperature sensor, TI CC2540 Keyfob, Nordic uBlue, or Panasonic PAN1720, LightBlue® provides the essential tools you need. Developers can rely on it for validating new firmware and inspecting characteristics with precision.

• Scan for any BLE peripherals • View basic device info (name, MAC address, RSSI) instantly • Browse characteristics and services • Register for notifications and read characteristics • Write characteristics in hex or UTF-8 and export detailed BLE event logs