MQTT X - An Elegant Cross-platform MQTT 5.0 Client Tool

Download | v1.3.1 All versionsManual


  • cross-platform


    For Windows,macOS,Linux

  • clear

    Simple and clean graphical interface

    Chat interface for Simple page operation and quick testing

  • mqtt-5.0

    MQTT 5.0 protocol support

    For MQTT v3.1.1 and MQTT 5.0

  • ssl

    Single/two-way SSL authentication

    Support for CA, self-signed certificates, and single/two-way SSL authentication

  • themes


    Theme switching between Light, Dark and Night(Purple)

  • i18n


    Support for Simplified Chinese and English

  • websocks


    Support MQTT over WebSockets

  • payload

    Payload format conversion

    Support for Hex, Base64, JSON and Plaintext

  • topic

    Color Customization of Topic

    Support for color customization when subscribing Topic

  • SYS

    Automatic Subscription to $SYS

    Support for automatic subscription to $SYS and hierarchical expansion

MQTT Broker

To run MQTT Broker locally, EMQ X is recommended. EMQ X is a fully open source, highly scalable, highly available distributed MQTT 5.0 messaging broker for IoT, M2M and mobile applications.

Install EMQ X by using Docker:

docker run -d --name emqx -p 1883:1883 -p 8083:8083 -p 8883:8883 -p 8084:8084 -p 18083:18083 emqx/emqx

Visit GitHub to learn more about the EMQ X Broker, or visit the EMQ X Website to download other product installation packages.

MQTT Cloud

EMQ X MQTT Cloud | aws-logo

Try free MQTT Coud service with ONE click!

A scalable, reliable MQTT 5.0 cloud service with best practices from EMQ team.

Try it now