tests.ws — WebSocket Hub
GitHub
The WebSocket Hub
Testing tools, language guides, tutorials, and a Chrome extension for debugging WebSocket connections. All in one place.
Online WebSocket Tester
Chrome Extension
Learn WebSockets
Understand how WebSockets work: the protocol, handshake, close codes, security, and more.
Browse articles →
Language Guides
Practical WebSocket examples in JavaScript, Python, Go, Rust, Java, C#, and more.
Browse guides →
Testing and Debugging
Tools comparison, testing strategies, load testing, debugging. Everything for QA.
Browse articles →
Online WebSocket Tools
Test WebSocket connections directly in your browser. No installation needed.
WebSocket Tester<br>Connect to any WebSocket server, send messages, view responses in real time.<br>Echo Server<br>Free echo server for testing. Send a message and get it back instantly.<br>Chrome Extension<br>Proxy, monitor, and modify WebSocket traffic on any website.