WebSocket Client Debugger

Test WebSocket connections online. Connect to any ws:// or wss:// server, send messages, auto-send heartbeats and inspect received frames right in your browser.

Server Configuration

Auto-send Settings

Every seconds, content

Content to Send

Debug Messages

Message Records

No messages yet. Connect to a server to start sending and receiving.

All data is processed locally in your browser and never uploaded. Note: HTTPS pages cannot connect to insecure ws:// addresses due to browser security policy — use wss:// for encrypted endpoints.

🔗 Related Tools