BLE Tools
Interactive tools for BLE development. All tools run in your browser -- no data leaves your device.
BLE Chip Selector
Find the best BLE chip for your project with our interactive selector.
Runs locally
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GATT Profile Browser
Browse Bluetooth GATT profiles and characteristics interactively.
Runs locally
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BLE Power Estimator
Estimate BLE device battery life based on connection parameters.
Runs locally
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BLE Range Calculator
Calculate BLE range from TX power, sensitivity, and environment.
Runs locally
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BLE UUID Generator
Generate 128-bit UUIDs for custom BLE GATT services.
Runs locally
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Beacon Configurator
Configure BLE beacon advertising parameters and preview packets.
Runs locally
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BLE Packet Builder
Build and visualize BLE advertising packets byte by byte.
Runs locally
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Frequently Asked Questions
Yes, all BLEFYI tools are free and run entirely in your browser. No data is sent to any server.