BLE UUID Generator

Client-Side Interactive

Generate random 128-bit UUIDs for custom GATT services and characteristics. Formatted for direct use in code.

Launch Tool

Privacy-First

This tool runs entirely in your browser. No data is sent to our servers.

Mentioned in Guides

BLE GATT Server Implementation Guide flutter_blue_plus: Read, Write & Notify in Flutter GATT UUID & Descriptors (0x2902) Explained — BLE BLE Beacons Explained: iBeacon, Eddystone, and AltBeacon BLE in Wearables: Fitness Trackers, Watches, and Hearables

Frequently Asked Questions

Yes, all BLEFYI tools are free and run entirely in your browser. No data is sent to any server.