CoolTerm Icon

CoolTerm Screenshot
Free Freeware
Roger Meier
Windows 10 / 8 / 7 / Vista / XP
Jan 23, 2018
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CoolTerm Review

CoolTerm is a freeware serial port terminal app filed under network software and made available by Roger Meier for Windows.

The review for CoolTerm has not been completed yet, but it was tested by an editor here on a PC and a list of features has been compiled; see below. If you would like to submit a review of this software download, we welcome your input and encourage you to submit us something!

Exchange text and other data between connected serial ports:

CoolTerm was developed as a useful and user-friendly software and acts as a serial port terminal application.

CoolTerm is a tool that's geared towards hobbyists and professionals with a need to exchange data with hardware connected to serial ports such as servo controllers, robotic kits, GPS receivers, microcontrollers etc.

Features and highlights
  • Capability of multiple concurrent connections if multiple serial ports are available
  • Display of received data in textual or hexadecimal format
  • Sending data via keypresses as well as a "Send String" dialog that support data entry in textual or hexadecimal format
  • Sending data via pasting of text into the terminal window
  • Sending of text files
  • Capability of recording received data to text files
  • Local echoing of transmitted data
  • Local echoing of received data (loop back to sender)
  • Hardware (CTS, DTR) and software flow control (XON)
  • Optical line status indicators
Compability and license

CoolTerm is licensed as freeware for the Windows (32-bit and 64-bit) operating system / platform from network software without restrictions. CoolTerm is available to all software users as a free download (Freeware).

Compatibility with this serial port terminal software may vary, but will generally run fine under Microsoft Windows 10, 8, 8.1, 7, Vista and XP on either a 32-bit or 64-bit setup. A separate x64 version may be available from Roger Meier. This download is distributed as

Filed under:
  1. CoolTerm Download
  2. Freeware Network Software
  3. Major release: CoolTerm 1.5
CoolTerm has been picked by our editors as excellent.
CoolTerm has been tested for viruses and malware.
We have tested CoolTerm against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.

Screenshots of CoolTerm (8)

Download15.23 MB - Tested clean
Download Ranking
in Networking
#6 of 180
4.9 out of 5 based on 9 ratings.

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More information
Size on disk:
15,970,782 B
SHA256 filehash:
MD5 filehash: