Scan for nearby Bluetooth Low Energy peripherals and explore their services, characteristics, and device information. Built for firmware and hardware engineers who need to read, write, and verify GATT values quickly. Subscription required. Write and read any characteristic Write/Read characteristic values as strings, decimal numbers, or hex. With byte-order (big-endian / little-endian) and signed / unsigned interpretation for integer values. Hex entry that formats into byte pairs as you type