Sniffer/Monitor mode

With this mode you can monitor data exchange between any external devices, connected to the Com Port and Windows applications.

Terminal mode

Using the Com Port terminal mode, you can send and receive any data from the Com Port to debug and diagnose your external devices.

HEX and ASCII

Com Port Debug Software can displays incoming and outgoing data in HEX, ASCII or binary formats.

Our Advantages

Our software can work with any COM or RS232 ports (real COM ports, virtual COM ports, USB-to-Serial, TCP-to-Serial, Bluetooth COM ports).
Our serial port monitor supports the miscellaneous baudrates (up to 921600), user-defined baudrates, number of databits, number of stop bits, different parity types, hardware or software flow control and other. You can change all communication parameters at any time.
For over 10 years we develop software for COM ports.

Download and Test Our Software For Free!

We would offer a download for you to try. The trial version allows you to test all features of our software. The setup is quick and easy, and you will have the first results within minutes.

Download and Try Now!

"It's a good program... It's work! I will buy the full version!"

Michel Julien

"Your software works perfectly with our application and I look forward to doing business with you."

Edward

"Based on what I could ascertain, the problem was brilliantly solved. Please accept my congratulations."

Paolo Lepora

Why Our Customers Love Us

Discover why our features make a difference for you.

Always-On Customer Support

We're here for you 24/7, ready to help with any questions or technical issues, ensuring you always have the support you need.

Seamless Compatibility

Enjoy hassle-free connections with a wide range of COM ports and devices-real, virtual, USB-to-Serial, TCP-to-Serial, and Bluetooth.

Proven Reliability

Join thousands of satisfied users who have trusted our software for over a decade. Experience unmatched quality and support.

Intuitive User Interface

Navigate with ease using our user-friendly interface designed to help both beginners and experts perform tasks efficiently.

Performance You Can Count On

Our software is built for speed and scalability, ensuring it grows with your needs without sacrificing performance.

Streamlined COM Port Debugging

Simplify your troubleshooting with our advanced COM port tools designed to make diagnostics fast and efficient.

Com Port Debug Software

Our Com Port Debug Software allows to Debug data transferred via the Com Port and test external devices connected to the Com Port.