Online Toolbox/Developer/WebSocket Tester

WebSocket Tester

Online WebSocket testing tool.

WebSocket Tester

Message Log

Waiting for connection...

Description

WebSocket Tester establishes WebSocket connections to test real-time communication, message sending, and connection stability.

Use Cases

1

Development: Test WebSocket API endpoints

2

Debugging: Inspect WebSocket messages

3

Real-time: Verify chat and notification systems

4

IoT: Test device communication

5

Learning: Understand WebSocket protocol

Instructions

1

Enter the WebSocket URL (ws:// or wss://)

2

Click connect to establish the connection

3

Send test messages

4

View received messages in real-time

5

Monitor connection status and events

Notes

  • WSS (secure) is recommended for production
  • Connection events are logged automatically
  • Messages can be sent as text or binary
  • Close and error events are displayed

FAQ

Q

What is the difference between ws:// and wss://?

A

ws:// is unencrypted WebSocket, wss:// is encrypted (like HTTP vs HTTPS). Always use wss:// in production.

Q

Can I test custom protocols?

A

Yes, you can specify subprotocols in the connection settings.