- Visualize topics and topic activity
- Delete retained topics
- Search/filter topics
- Delete topic recursively
- Publish topics
- Plot numeric topics
- Keep a history of each topic

MQTT Explorer is a comprehensive and easy-to-use MQTT Client. It strives to be THE swiss-army-knife tool. The perfect tool to integrate new services, IoT devices in your network. The hierarchical view allows for a quick understanding of what is going on on your broker.

What’s New

Version 0.2.6

- Add a pause function
- Add light / dark themes
- Add localized date formatting
- Allow pinning self-signed-certificates
- Allow copying values from the message history
- Buffer changes while in pause mode
- Improve layout
- Improve numeric plot layout and smooth curves
- Improve scroll behavior message history
- Improve performance and memory footprint by ~30%
- Improve text selection behavior (Ctrl+A) for value preview and history
- Immediately apply changed settings
- Fix memory leak on search and disconnect

- etc.

Ratings and Reviews

5.0 out of 5
4 Ratings

4 Ratings

MikeF99G ,

Really handy for MQTT troubleshooting

Been using this for a couple weeks while working on a Raspberry-Pi based project and it's been great for monitoring the several dozen high-rate MQTT messages on the system. Easy to filter just the messages I'm looking for, and track them over time...


Thomas Nordquist
64.2 MB
Developer Tools

OS X 10.10.0 or later, 64-bit processor


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Age Rating
Rated 4+
© Thomas Nordquist


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    With Family Sharing set up, up to six family members can use this app.