MQTT X

An Elegant Cross-platform MQTT 5.0 Desktop Client

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MQTT 5.0 desktop client running on macOS, Linux, and Windows

Windows
Mac
Linux
Ubuntu

Why MQTT X

MQTT X makes it faster and easier to develop/test MQTT applications

Open Source

Built on open source. Licensed under Apache 2.0

Cross-platform

Running on Windows, macOS, and Linux

MQTT 5.0 Support

100% compliant with MQTT 5.0 and 3.1.1

Easy-to-use

A chat box for sending/receiving MQTT messages

One and Two Way SSL

Support for one-way and two-way SSL authentication

WebSocket

Support MQTT over WebSockets

Payload Format Conversion

Support for Hex, Base64, JSON, and Plaintext

Script

Customized script for MQTT Pub/Sub simulation

Log

Full logging capabilities

i18n

English, Japanese, Simplified Chinese, Turkish and Hungarian

Multi-theme

Freely toggle Light/Dark/Night mode

Custom Colors for Topics

Custom colors for different MQTT subscriptions

Better Together with EMQX

MQTT X is designed for an easier way to develop and test IoT applications. Connect MQTT X to a powerful MQTT broker or cloud with one click, and enjoy the combined power to build your business-critical IoT platforms and applications quickly.

MQTT Cloud

EMQX Cloud, a fully managed MQTT messaging service for IoT.

Free Trail →

MQTT Broker

EMQX Broker, the world’s most scalable and reliable open-source MQTT broker.

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Community

Welcome to MQTT X and EMQX community, we’re eager to collaborate and hear your thoughts.

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