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WebSocket Tester
NetworkOpen WebSocket connections, send messages, and inspect live server frames.
ttb run websocket-tester
ConnectionClosed
Session Log
Connect to a WebSocket endpoint to inspect status changes, outgoing messages, and live frames here.
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Cómo usar WebSocket Tester
Enter a WebSocket URL, connect, then send any text or JSON payload to the server. The tool keeps a live session log so you can see connection status changes, messages you sent, messages the server returned, and browser-side errors. It works well for testing echo servers, event streams, bot gateways, and real-time API prototypes.
1
Connect to an endpoint
Paste a ws:// or wss:// URL and open the socket connection.
2
Send a payload
Type a message or JSON object, then click Send message.
3
Review the log
Inspect the timeline for outgoing messages, incoming frames, and close or error events.
Preguntas frecuentes
Why might a connection fail in the browser?+
Some WebSocket servers require authentication, custom headers, or non-browser clients. Browser security and server policy can both block the connection.
Can I send JSON?+
Yes. The tool sends plain text, so JSON works fine as long as you type valid JSON text.