USBDeview is a free and lightweight USB diagnostics utility developed by NirSoft. This portable USB analyzer lets you view and manage every USB device that has ever connected to your system, active or disconnected. It displays detailed USB device information such as serial numbers, device names, Vendor and Product IDs, device types, and the exact timestamps of connection or removal. Whether you're troubleshooting, auditing, or maintaining USB hygiene, it's a reliable tool for professionals and everyday users alike.
As a fully portable USB monitoring tool, USBDeview runs without installation and leaves no traces behind. This makes it especially useful for technicians working across multiple systems, security analysts performing USB audits, or anyone who needs fast insight into USB device activity on Windows systems.