WebSocket Message Inspector

Connect to any WebSocket URL and display a live log of messages with timestamps, sizes, and direction.

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Connect to a WebSocket server to see live traffic here.

Tip: This connects directly from your browser, so the target server must accept connections from arbitrary origins (no CORS-style restriction applies to WebSocket handshakes, but some servers do check the Origin header). Try a public echo server like wss://echo.websocket.org to test the tool itself.