MQTT Explorer
WebSocket & TCP · Multiple Brokers · Subscriptions · Publish · Certificates
Select Broker
Connect and Manage MQTT Topics
The MQTT Explorer provides a robust interface to connect to any MQTT broker via WebSocket or TCP protocols. You can easily subscribe to specific topics, filter through incoming data, and monitor the latest messages in real-time. By supporting multiple brokers simultaneously, it serves as an ideal testing environment for IoT developers. Use it to verify message delivery, manage subscriptions, and visualize your system's communication flow without needing complex local software installations.
Advanced Features and Security
This tool supports advanced configurations including clean sessions and certificate generation for EC P-256 key pairs. It is compatible with various platforms like HiveMQ Public and allows you to switch between unencrypted and secured WebSocket connections. Because the application runs entirely in your browser, your credentials and data remain local. This ensures a secure environment for testing sensitive IoT configurations while providing features like topic filtering and automatic message logging.
Frequently asked questions
How can I connect to an MQTT broker?
You can connect by selecting the appropriate broker type, such as a local TCP broker or a public WebSocket provider. Simply enter the host address and port number in the configuration fields. The tool supports both standard WebSockets and secured WSS connections for various network environments.
Does it support both WebSocket and TCP?
Yes, the tool supports both WebSocket and TCP protocols. This allows you to connect to a wide range of MQTT brokers, including local instances and public cloud-based services like HiveMQ, providing flexibility for different hardware setups and network requirements.
Can I publish messages to specific topics?
Yes, once you have established a connection with your broker, you can use the publish feature to send messages to any topic. This is useful for testing message delivery, verifying subscriber logic, and ensuring that your IoT devices are receiving the correct data packets.
Is my data safe when using this browser tool?
Since the tool runs directly in your web browser, your connection details, private keys, and message contents are processed locally on your machine. Your sensitive information is not sent to a middleman server for processing, ensuring high privacy while you test your IoT infrastructure.