Show HN: WebSocket DevTools – Chrome extension for WebSocket debugging in pages

4 ianloe666 1 7/24/2025, 1:47:02 PM github.com ↗

Comments (1)

ianloe666 · 2d ago
I've been frustrated with WebSocket debugging for years. I looked for extensions that could intercept and simulate WebSocket traffic, but found nothing.

So I built WebSocket DevTools - a Chrome extension that:

- Intercepts and modifies WebSocket messages in real-time - Simulates messages from both client and server sides - Captures all connections even when DevTools is closed - Works like the Network tab but for WebSocket traffic

The extension injects a proxy into pages when they load, intercepting traffic at the browser level. It integrates with Chrome DevTools as a native panel.

Try it (Chrome Extension): https://chromewebstore.google.com/detail/websocket-devtools/...