Does this support wss:// (secure WebSockets)?

Yes! Both ws:// and wss:// protocols are supported.

What do I need to enter?

Just WebSocket URL. Every field has a sensible default you can start from.

Is my data uploaded anywhere?

No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.

Does it work on a phone?

Yes. The layout adapts to small screens and needs no app or signup.

Is Free WebSocket Tester Online free?

Yes. Free WebSocket Tester Online on TheToolss is free to use with no signup required for the core workflow.

WebSocket Tester

Test WebSocket connections with a live message log and send interface.

100% free
Private in browser
No signup
No watermarks

WebSocket URL

Message Log

0 messages

No messages yet. Connect to start.

Rate this tool

Be the first to rate — helps others and improves this page.

About WebSocket Tester

WebSocket Tester on TheToolss lets you connect to any WebSocket server, send messages, and see responses in real time. Perfect for debugging WebSocket APIs and real-time applications.

How to use WebSocket Tester

Enter the WebSocket server URL (ws:// or wss://).
Click Connect to establish the connection.
Type a message and click Send to test.

Key features

Connect to any WebSocket server (ws:// and wss://)
Send and receive messages in real time
Live message log with timestamps
Connection status indicator
Clear message history

Frequently asked questions

Does this support wss:// (secure WebSockets)?: Yes! Both ws:// and wss:// protocols are supported.
What do I need to enter?: Just WebSocket URL. Every field has a sensible default you can start from.
Is my data uploaded anywhere?: No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
Does it work on a phone?: Yes. The layout adapts to small screens and needs no app or signup.
Is Free WebSocket Tester Online free?: Yes. Free WebSocket Tester Online on TheToolss is free to use with no signup required for the core workflow.

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