Modbus Protocol Analyzer

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

As of May 2026, Modbus Protocol Analyzer has 74 users and a 5.00/5 rating from 1 reviews in the Developer Tools category.

Developer Tools

Chrome Web Store ↗.crx

Users+37.0%

Rating0%

5.00

1 reviews

Reviews0%

Version

1.0.4

Manifest V3

History

5 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	54	5.00	1	1.0.4
Apr 20, 2026	60	5.00	1	1.0.4
May 5, 2026	65	5.00	1	1.0.4
May 16, 2026	64	5.00	1	1.0.4
May 30, 2026	88	5.00	1	1.0.4
Now	74	5.00	1	1.0.4

Permissions & access

Permissions: nativeMessagingstorage
Host access: None declared

Screenshots

About

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