MQTTBox

Name: MQTTBox
Rating: 4.12 (34 reviews)
Author: workswithweb

Developers helper program to create and test MQTT connectivity protocol.

As of May 2026, MQTTBox has 20,000 users and a 4.12/5 rating from 34 reviews in the Developer Tools category.

workswithweb Developer Tools

Chrome Web Store ↗.crx

Users0%

20.0K

20,000

Rating0%

4.12

34 reviews

Reviews0%

Version

0.2.3

Manifest V2

History

1 snapshots

Tracking since Apr 25, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 25, 2026	20.0K	4.12	34	0.2.3
Now	20.0K	4.12	34	0.2.3

Permissions & access

Permissions: storageunlimitedStorage
Host access: None declared

Screenshots

About

Supercharge your MQTT workflow with MQTTBox for Chrome! 
MQTTBox apps are also available for Linux, Mac, Web and Windows. Please check download link http://workswithweb.com/html/mqttbox/downloads.html

MQTTBox features:

1. MQTT Clients
-Connect to multiple mqtt brokers with TCP or Web Sockets
-Connect with wide range of mqtt client connection settings
-Publish/Subscribe to multiple topics
-Supports Single Level(+) and Multilevel(#) subscription to topics
-Copy/Republish payload
-History of published/subscribed messages for each topic

2. MQTT Load
-Load test your MQTT broker or MQTT devices
-Load test both publish or subscribe to a topic by defining message publish/subscribe rate
-Publish/Subscribe load with upto 6 instances simultaneously
-Send upto 10 different payloads while publishing one after the other
-View progress in real time on dashboard
-View all load test data sent or received in separate window (Includes smart search)
-View load test results in graphs.
-Ability to change sampling rates while generating graphs

Please report Feature Requests, Enhancements and Bugs to [email protected]

Check source code on github.
https://github.com/workswithweb/MQTTBox