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ANT+ Tools

Scan, decode and simulate ANT+ devices over WebUSB.

Channel workspace
No channel configuredChoose a channel above to scan, decode or simulate.
Raw traffic hex decode
RX0 TX0 Rate0/s Misses0 Last packet—

Browser-based ANT+ device simulator (SimulANT+ equivalent) and decoder. Chrome/Edge + WebUSB required. Interoperability bench — use on equipment you own.

Dongle settings

Connect an ANT+ USB stick to scan, decode or simulate devices.

USB connection
No dongle connected
Channel capacity detected after connection

ANT network keys

Enter only the networks you use. This configuration is shared with Live Data Compare.

Need the ANT+ network key? Become an ANT+ Adopter at no charge, accept the agreement, then retrieve it from the restricted Network Keys page. Use it only with ANT+ compliant device profiles.

Logged-out keys stay in this browser. Logged-in keys are encrypted and saved to your account. Reconnect the dongle after changing a key.

Setup notes

What this does — Talks directly to an ANT+ USB dongle over WebUSB. Scanner finds devices for a selected profile, Decoder parses live broadcasts, and Simulator transmits synthetic sensor data so you can test a head unit or app without owning the real sensor.

Channels — Each configured slot owns a separate ANT radio channel and keeps running while you view another slot. The dongle reports its available channel count when connected; unsupported slots are disabled automatically.

Dongles — Any Dynastream-based stick works (Garmin ANT+ USB2, Suunto MoveStick…).

  • Windows: bind the stick to the WinUSB driver with Zadig first.
  • Linux: install a udev rule giving your user access.
  • macOS: works out of the box.

Self-test — No dongle or sensor nearby? Pick a profile and use Self-test to inject synthetic traffic and exercise the decoder without hardware.