Comm Echo: Serial Port & TCP/IP Debugger
Comm Echo is a free debug tool for serial port (RS232), TCP/IP and UDP port communication.
**FREE DOWNLOAD (v1.0.0.29)**
File Size: 44KB | Safe & Verified
Programming
Debugging Tools
Freeware
Key Features
- Comm Echo is a serial port and TCP/IP debugging tool.
- It acts as an endpoint that receives data packets and immediately echoes them back to the source.
- This loopback functionality is essential for testing the integrity of communication links and verifying that data transmission is working correctly.
- Engineers and developers use it to troubleshoot hardware connections and software communication protocols.
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 100 reviews.