Monitor, log, and modify WebSocket messages in real-time with this powerful Chrome extension. Perfect for developers, QA specialists, and security professionals.

Website · Install from Chrome Web Store · Report Issues

• Real-Time Traffic Interception — Monitor WebSocket messages as they flow between client and server
• On-the-Fly Data Manipulation — Modify WebSocket messages before they are sent or received
• Comprehensive Logging — Detailed logs of all WebSocket messages with timestamps and payload info

Install from the Chrome Web Store.

1. Open DevTools → Go to the WebSocket Proxy tab
2. View Messages — See all WebSocket messages if a connection exists
3. Modify with JavaScript — Edit the message variable as needed
4. Apply Changes — Click Run to apply your code before sending messages

For detailed instructions, see the extension page.

• Developers — Debug and optimize WebSocket interactions in your applications
• QA Engineers — Test WebSocket edge cases, connection handling, and performance
• Security Professionals — Intercept and analyze WebSocket traffic to identify vulnerabilities

• What Is WebSocket? — Protocol fundamentals
• How to Test WebSockets — Testing strategies
• WebSocket Testing Tools — Tools comparison
• WebSocket Security Best Practices — Security guide
• Online WebSocket Tester — Browser-based testing tool

• tests.ws — WebSocket hub with guides, tools, and documentation
• WebSocket Guides — Language-specific tutorials (JavaScript, Python, Go, Rust, and more)
• Testing Guides — Debugging, load testing, and best practices
• Support on Patreon

MIT