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Bluetooth LE Advertisement Builder

Build custom Bluetooth LE advertisement packets or decode raw advertising data. Supports all standard AD types including flags, service UUIDs, device names, and manufacturer data.

v1.0.0

Version 1.0.0

January 21, 2026
  • Searchable Service UUID selector with 75+ official Bluetooth SIG services
  • Input validation with visual feedback on all hex fields
  • Hybrid combobox for Appearance values with category grouping
  • Official Bluetooth SIG data sources for companies, appearances, and services

Configuration

Company ID + Custom Payload → AD Type 0xFF
Search for a company or enter a 4-digit hex ID. Use FFFF for testing.
Device type shown to scanning devices

Output

0 / 31 bytes

Resources

Decode Advertisement

Paste a hex string from a Bluetooth LE sniffer or scanner to decode its contents.