Comm Operator Pal: Serial & TCP/UDP Debug Tool
Comm Operator Pal is a free tool to test and debug device or application that communicated with RS232, TCP/IP or UDP.
**FREE DOWNLOAD (v1.4.0.117)**
File Size: 961KB | Safe & Verified
Programming
Debugging Tools
Freeware
Key Features
- Comm Operator Pal is a testing tool for serial port (RS-232) and TCP/IP communications.
- It allows developers and engineers to send and receive data strings in hex, decimal, or text formats to test hardware devices like sensors, modems, or industrial controllers.
- The software acts as a terminal, helping to debug communication protocols and verify device responses.
Technical Specifications
- **Publisher:** Serialporttool.com
- **License:** Freeware
- **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
- **Last Updated:** October 15, 2025
- **Category:** Programming / Debugging Tools
User Rating
Based on 429 reviews.