Modbus Protocol Analyzer

by nybetty001@gmail.com · Developer Tools

Manifest V3 in_app

View in Chrome Web Store Data as of 16 Oct 2026

Professional Modbus RTU/TCP debugging tool with real-time packet analysis

Users

+5 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#86K

#72K among extensions

Version

1.0.4

updated 26 Aug 2025

Users

monthly, 16 months

Latest, 16 Oct 2026: 95 usersMove the mouse over the chart for any month

Ratings count

monthly, 16 months

Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Modbus Protocol Analyzer

A powerful Chrome extension for debugging and analyzing Modbus communication protocols. Supports both RTU (Serial) and TCP communication modes with real-time packet analysis, advanced logging, and comprehensive debugging tools. Key Features: • RTU (Serial) communication via Web Serial API • TCP Native communication via Native Messaging • Real-time packet logging with virtual scrolling • Modbus command generator with GUI • Multi-language support (Korean/English) • Professional debugging tools • Response time analysis and statistics • Automatic CRC calculation and validation • Export logs in multiple formats (JSON, CSV, TXT) Supported Modbus Functions: • Read Coils (0x01) • Read Discrete Inputs (0x02) • Read Holding Registers (0x03) • Read Input Registers (0x04) • Write Single Coil (0x05) • Write Single Register (0x06) • Write Multiple Coils (0x0F) • Write Multiple Registers (0x10) nPerfect for industrial automation engineers, system integrators, and developers working with Modbus devices