USBlyzer

USBlyzer: Free & Open-Source USB Device Analysis Tool for Windows

A free and open-source tool to inspect configuration and data transfer of USB devices connected to your computer, providing detailed technical information.

What is USBlyzer?

USBlyzer is a free, open-source USB protocol analyzer software for Windows. It allows you to inspect, monitor, and analyze USB device traffic in order to troubleshoot connectivity or performance issues.

With USBlyzer, you can examine the configuration descriptors and endpoints of any USB device connected to your system. It provides technical details such as device class, subclass, number of configurations and interfaces, endpoint types and more. This helps identify compatibility issues or suboptimal configurations.

During active data transfers, USBlyzer captures, decodes and displays all packets and protocol level information in an easy-to-read format. You can analyze the timing and payload of individual USB transactions to optimize or debug your USB implementation.

Key features include:

• Display device, configuration, interface and endpoint descriptors
• Real-time decoding and inspection of control, bulk, interrupt and isochronous transfers
• Traffic statistics for bandwidth usage analysis
• Device suspension/resume event tracing
• Customizable views and filtering options
• Data export in text, CSV or binary format

USBlyzer works with USB 1.1, 2.0 and 3.0 interfaces and supports all major device classes. It can be a valuable tool for USB firmware developers, hardware hackers and anyone needing in-depth visibility into USB communications.

USBlyzer Features

Official Links