Since the original tool and the Chrome extension are end-of-life, modern alternatives provide better security and hardware support:
: A popular third-party alternative specifically designed to replace the legacy Ubiquiti tool. It supports Windows, macOS, and Linux.
: The official current replacement. It allows for device discovery, speed tests, and network mapping directly from your PC.
: The UniFi App and UISP App can discover devices via WiFi or Bluetooth, which is often faster for initial setup. Troubleshooting Common Errors Introducing the HostiFi Device Discovery Tool