Name: MQTTX
Author: EMQX Team

MQTTX

EMQX Team·EMQ.MQTTX

Your All-in-One MQTT Client Toolbox

MQTTX is a cross-platform MQTT 5.0 client tool open-sourced by EMQ, designed to help develop and debug MQTT services and applications faster.

winget install --id EMQ.MQTTX --exact --source winget

Latest 1.13.0·January 23, 2026

Release Notes

What's Changed

fix(inspector): address UI/UX issues by @muzaffarmhd in https://github.com/emqx/MQTTX/pull/1979
feat(viewer): add advanced dashboard view with widget configuration by @muzaffarmhd in https://github.com/emqx/MQTTX/pull/1987
fix(dashboard): fix bug - add missing prop by @muzaffarmhd in https://github.com/emqx/MQTTX/pull/1996
ci(win): add portable version for windows by @zfb132 in https://github.com/emqx/MQTTX/pull/2002
feat: add syntax highlighting for JSON payload in web version by @nktnet1 in https://github.com/emqx/MQTTX/pull/2004
feat: upgrade protobufjs to support Protobuf Editions 2023 by @ysfscream in https://github.com/emqx/MQTTX/pull/2010
style: normalize quotes and formatting in web theme files by @ysfscream in https://github.com/emqx/MQTTX/pull/2011
chore: improve cross-platform compatibility and fix script dependencies by @ni00 in https://github.com/emqx/MQTTX/pull/2014
feat: add topic whitespace detection setting by @ysfscream in https://github.com/emqx/MQTTX/pull/2017
fix: improve topic input layout using flexbox by @ysfscream in https://github.com/emqx/MQTTX/pull/2020
feat: add separate copy options for message payload and topic by @ysfscream in https://github.com/emqx/MQTTX/pull/2019
fix(subscriptions): prevent newlines in topic and alias textarea inputs by @ysfscream in https://github.com/emqx/MQTTX/pull/2018
fix(web): fix topic input and select styling issues by @ysfscream in https://github.com/emqx/MQTTX/pull/2021
chore: upgrade Electron from 33.4.11 to 39.2.7 by @ysfscream in https://github.com/emqx/MQTTX/pull/2022
fix(subscriptions): fix inconsistent state when editing disabled topic by @ysfscream in https://github.com/emqx/MQTTX/pull/2023
chore: hide dashboard tab by @ysfscream in https://github.com/emqx/MQTTX/pull/2024
chore: enable npm trusted publishing by @ysfscream in https://github.com/emqx/MQTTX/pull/2025
feat(ui): simplify connection list selected state styling by @ysfscream in https://github.com/emqx/MQTTX/pull/2026
feat(ui): redesign Everything about MQTT help page by @ysfscream in https://github.com/emqx/MQTTX/pull/2027
feat(ui): redesign About page with modern layout and EMQX Platform promotion by @ysfscream in https://github.com/emqx/MQTTX/pull/2028
feat(settings): add configurable max payload display size by @ysfscream in https://github.com/emqx/MQTTX/pull/2029
1.13.0 by @ysfscream in https://github.com/emqx/MQTTX/pull/2030 New Contributors
@zfb132 made their first contribution in https://github.com/emqx/MQTTX/pull/2002
@nktnet1 made their first contribution in https://github.com/emqx/MQTTX/pull/2004 Full Changelog: https://github.com/emqx/MQTTX/compare/v1.12.1...v1.13.0

Installer type: `nullsoft`

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Details

Homepage: https://mqttx.app/
License: Apache-2.0
Publisher: EMQX Team
Support: https://github.com/emqx/MQTTX/issues
Privacy Policy: https://www.emqx.com/policy/privacy-policy
Copyright: ©2026 EMQ Technologies Inc.
Moniker: emqx-mqttx

Older versions (24)

1.12.1

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1.12.0

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1.11.1

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1.11.0

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1.10.0

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1.9.10

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1.9.9

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1.9.8

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1.9.7

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1.9.6

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1.9.5

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1.9.4

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1.9.3

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1.9.1

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1.9.0

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1.8.3

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1.8.2

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1.7.3

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1.7.2

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1.7.1

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1.7.0

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1.6.2

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1.6.0

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1.5.2

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MQTTX

Latest 1.13.0·January 23, 2026

Installer type: nullsoft

Details

Tags

Older versions (24)

Installer type: `nullsoft`