MQTT Connection String Generator

Generate connection strings and URIs for MQTT brokers. AWS IoT, Azure IoT Hub, HiveMQ, Mosquitto, and custom brokers.

Select Broker Type

🔌

Generic MQTT

☁️

AWS IoT Core

🔷

Azure IoT Hub

🐝

HiveMQ Cloud

🦟

Mosquitto

📡

EMQX Cloud

Connection Settings

Host / Endpoint

Enter your MQTT broker hostname

MQTT Port

WebSocket Port

Client ID

Authentication

Username / Password TLS/SSL Encryption

Connection Strings

MQTT URI

mqtt://broker.example.com:1883

WebSocket URI

ws://broker.example.com:8083/mqtt

Secure MQTT (TLS)

mqtts://broker.example.com:8883

Secure WebSocket

wss://broker.example.com:8084/mqtt

Client ID: -

Code Examples

JavaScript (Paho MQTT)

const client = new Paho.Client(
  "broker.example.com",
  8083,
  "my-device-001"
);

client.connect({
  onSuccess: () => console.log("Connected!"),
  useSSL: false
});

Python (paho-mqtt)

import paho.mqtt.client as mqtt

client = mqtt.Client("my-device-001")
client.connect("broker.example.com", 1883, 60)
client.loop_start()

Common MQTT Ports

Port	Protocol	Description
1883	MQTT	Default unencrypted MQTT
8883	MQTTS	MQTT over TLS/SSL
8083	WebSocket	MQTT over WebSocket
8084	Secure WebSocket	MQTT over Secure WebSocket