WebSocket Tester

Explicitly connect to a public WS/WSS endpoint, send text, and inspect bounded two-way logs.

WebSocket URL

Text to send (256 KiB max)

Connection starts only after the button; messages go to the address above.

Only the endpoint you enter is contacted

The connection starts after a click and messages go directly to the target server. There is no automatic reconnect or saved history; messages are capped at 256 KiB and logs at 200 entries.