WebSocket Online Test Tool

Professional WebSocket debugging tool, helping developers test WebSocket connections, send and receive messages, and debug WebSocket protocol related issues.

WebSocket Protocol Introduction

WebSocket is a protocol for full-duplex communication over a single TCP connection, making data exchange between client and server simpler and allowing the server to actively push data to the client.

Usage Scenarios

• Real-time chat applications
• Real-time games and interactive applications
• Real-time data monitoring and push
• Collaborative editing tools
• Stock trading platform real-time quotes

WebSocket Frequently Asked Questions

How to test WebSocket connection?

1. Enter the WebSocket address to connect in the "WebSocket Server Address" input box (e.g., wss://echo.websocket.org)

2. Click the "Connect" button to establish WebSocket connection

3. After successful connection, enter the message content to send in the "Send Message" area

4. Click the "Send" button to send the message, sent and received messages will be displayed in the message history area

Commonly Used Test WebSocket Servers

• wss://echo.websocket.org - wss://echo.websocket.org - Simple echo server, returns sent messages as is
• wss://ws.postman-echo.com/raw - wss://ws.postman-echo.com/raw - WebSocket test server provided by Postman
• wss://demo.piesocket.com/v3/channel_1?api_key=VCXCEuvhGcBDP7XhiJJUDvR1e1D3eiVjgZ9VRiaV - wss://demo.piesocket.com/v3/channel_1?api_key=VCXCEuvhGcBDP7XhiJJUDvR1e1D3eiVjgZ9VRiaV - PieSocket demo server

Possible Reasons for WebSocket Connection Failure

• Server address is incorrect or server is unavailable
• Network connection issues
• Browser security policies blocking the connection
• Server requires specific subprotocols or extensions