MQTTAnalyzer

Monitor and debug your MQTT broker from iPhone, iPad, or Mac.

MQTTAnalyzer is the essential tool for smart home enthusiasts, IoT developers, and anyone working with MQTT-based systems.

Free, open source, and no ads.

CONNECT WITH CONFIDENCE

• MQTT 3.1.1 and MQTT 5.0 support

• MQTT and WebSocket connections

• SSL/TLS with ALPN and server CA certificate validation

• Username/password and client certificate authentication

• Support for self-signed certificates

• Predefined settings for AWS IoT

• Connection diagnostics to identify issues quickly

VISUALIZE YOUR DATA

• Hierarchical topic tree view

• JSON highlighting and pretty-printing

• Time series charts for numeric values

• ANSI color code rendering

• Image viewer with pinch-to-zoom (PNG, JPEG, GIF, WebP, and more)

• Hex viewer for binary payloads

STAY ORGANIZED

• Connect to multiple brokers simultaneously

• Subscribe to multiple topics per broker

• Full-text search across topics and messages

• Unread message indicators

• Statistics panel with message counts

• Large payload support (10MB+) with export

PUBLISH AND CONTROL

• Publish messages with QoS and retain flag

• JSON message builder with form interface

• Delete retained messages from broker

• Siri shortcuts for quick actions

SYNC ACROSS DEVICES

• iCloud sync for settings and certificates

• Native experience on iPhone, iPad, and Mac

Have feedback or feature requests? Visit our GitHub page — MQTTAnalyzer is open source and community-driven.