Terminal mode

Using the RS232 terminal mode, you can send and receive any data from any COM or RS232 port to debug and diagnose your external devices.

HEX and ASCII

Serial Port Monitor can display incoming and outgoing data in HEX, ASCII, or binary formats.

Any data source

Serial Port Monitor can send data from text or binary files. Also, you may type data strings in the program window and insert characters with code from 0 to 31 (0 - 2F Hex) from a popup menu.

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 baud rates (up to 921600), user-defined baud rates, number of data bits, number of stop bits, different parity types, hardware or software flow control and others. 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!

"I like this program, I've already used a couple of features we didn't have before."

Ron Obern

"Thank you very much. We really like the program. The program allows us to keep a log of cleaning temperatures, and track down problems."

Karen L.

"I was pleasantly surprised to see that it worked perfectly!!! I cannot thank you enough for doing this! Without this program, I may have just had to move on and accept defeat. So, as promised, I will be purchasing a license today. Please keep up the good work!!!"

Dan Maiale

Why Our Customers Choose Us?

Another type of layout for your company features with icons located on the left of the description.

Comprehensive Customer Support

Our dedicated support team is available around the clock to assist with any questions or technical issues, ensuring you have the help you need whenever you need it.

Broad Compatibility

Supports a wide range of COM ports and connections - real, virtual, USB-to-Serial, TCP-to-Serial, Bluetooth.

Decade of Reliability

Trusted by professionals for over ten years - experience the difference in quality and support.

User-Friendly Interface

Designed with simplicity in mind, our intuitive interface allows both beginners and experts to navigate easily and perform tasks efficiently.

High Performance and Scalability

Engineered for high-speed data processing, our software scales effortlessly to handle increasing data loads without compromising performance.

Live Chat and Email Support

Get fast responses through our live chat feature or email support, where our experienced representatives are ready to provide solutions and guidance.

RS232 Terminal Software

Serial Port Monitor allows you to send and receive data via the RS232 interface and work in the COM port terminal mode. Advanced monitoring features for all your needs!