WebSocket Test
Online WebSocket connection debugging tool with real-time messaging and protocol testing.
Connection Settings
Custom Headers
Send Message
Message History
Connection Stats
Usage Guide
Features
Online WebSocket connection debugging tool with real-time messaging, custom headers, auto-send, message format selection, and connection statistics. Suitable for protocol testing in real-time chat, stock quotes, online gaming, and more.
Steps
Enter a WebSocket address (wss or ws) and click "Connect" to establish a connection; fill in content and select format in the send area, click "Send"; enable auto send to repeat at set intervals; the message history area shows sent/received content and byte counts in real time.
Notes
Recommended to use wss encrypted connections; some browsers restrict ws connections on non-HTTPS pages; auto send stops automatically after disconnecting.
Recommended Test Servers
!For quick verification, you can use Postman's echo service: wss://ws.postman-echo.com/raw, which echoes back messages as-is for easy debugging. See Postman Echo official docs for details.