The features of CoolTerm include:
- 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.
- Capability of manually toggling RTS and DTR signals when hardware flow control is disabled.
- Capability of loading and saving connection options.