Windows · Free download · System

Serial Port Utility3.9.1.0119

Serial Port Utility : A simple and lightweight application that facilitates the communication and data transfer via RS232 serial ports, automatically detecting connected devices

Operating system
Windows 10/11
File size
8.7 MB
License
Time-limited Trial
Last updated
May 1, 2026

52 downloads·982 page views

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Overview

What is Serial Port Utility?

Serial Port Utility : A simple and lightweight application that facilitates the communication and data transfer via RS232 serial ports, automatically detecting connected devices

In depth

A closer look at Serial Port Utility

Serial Port Utility is designed with a simple purpose in mind, namely to facilitates data transfers via serial ports of your computer. It can communicate with serial ports to automatically detect connected devices, receive input and send commands with ease.

A practical serial port communication utility

The application is intended for software developers and hardware testers, ensuring compatibility with any device that communicates with a computer via serial ports, such as medical instruments, relay boards, DMX and GPS devices.Additionally, it can also be used for TCP / UDP data transmission, integrating both TCP server and client functionality and allowing data sending and receiving. It automatically identifies available COM ports, enabling you to select the desired port from a drop-down list.

Manage connections and transmit commands

Received information can be displayed in both text and hex format. There are other various configuration settings that you can alter, such as display options (show or hide sent messages and the receipt time) or the loop time interval, the data bits to send, parity, the flow type and the baudrate (for COM ports).Serial Port Utility supports a dual panel view so as to manage the transmitted information much easier. It enables you to send commands and files via the selected port and features a dedicated panel for NCD replay boards.The integrated checksum calculator helps you check data integrity, while the generated log keeps track of all the actions.

Useful for developers and hardware testers

To sum up, Serial Port Utility is a handy tool for both software developers and testers, enabling them to set up connections with communication ports or via the TCP and UDP protocols. It eases data transmission between devices that rely on COM ports and a host computer.

Requirements

System requirements

Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP / Windows 2000

Verdict

Should you download Serial Port Utility?

Serial Port Utility runs on Windows 10/11 and is available under the Time-limited Trial license — the installer is 8.7 MB. We’ve catalogued it under System.

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At a glance

Serial Port Utility specifications

Category
System
Publisher
Darkwood Studio
Last updated
May 1, 2026
Requirements
Windows 10 64 bit / Windows 10 / Windows 8 64 bit / Windows 8 / Windows 7 64 bit / Windows 7 / Windows Vista 64 bit / Windows Vista / Windows XP / Windows 2000
License
Time-limited Trial
Operating system
Windows 10/11
File size
8.7 MB
Price
Free
Page views
982

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