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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.

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Unlock Bluetooth LE Advertisement Builder

Get free access to this powerful Bluetooth LE development tool by signing up for a free account.

  • Build custom advertisement packets with visual editor
  • Decode raw advertisement data from any device
  • Support for all standard AD types (Flags, UUIDs, Names, etc.)
  • Export configurations as JSON for your projects
  • Access to 75+ official Bluetooth SIG service UUIDs

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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.