MQTT Board
A diagnostic-oriented MQTT client tool supporting MQTT 5.0/3.1.X, multiple brokers, operations logs, and topic filtering.
What is MQTT Board?
MQTT Board is a diagnostic-oriented MQTT client tool built for developers working with MQTT brokers. It supports MQTT 5.0 and 3.1.X protocols, allows connections to multiple brokers, and provides detailed operations logs with advanced topic filtering. The tool runs entirely in the browser and saves configurations locally, making it ideal for quick testing and debugging of MQTT-based systems.
IoT developers, embedded systems engineers, and backend developers who need to test, debug, or monitor MQTT-based messaging systems in real-time.
Developers choose MQTT Board for its diagnostic-focused features, support for multiple brokers and protocol versions, and flexible integration options as a standalone app, Vue component, or iframe embed—all without requiring server-side deployment.
Overview
Diagnostic-oriented MQTT client tool. Supports MQTT 5.0 and 3.1.X protocols, connections to multiple brokers, MQTT operations logs and multiple subscribe widgets with unique/history topic filtering mode. Saves configuration in browser's local cache.
Use Cases
Best For
- Debugging MQTT message flows between clients and brokers
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