API Traffic Sniffer

Monitor and inspect XHR/Fetch network requests in real-time.

🕵️‍♂️ Tired of keeping Chrome DevTools open just to track API network calls? API Traffic Sniffer is a lightweight, high-performance developer tool built specifically to monitor, inspect, and replay XHR and Fetch network requests on your active browser tab. Featuring a clean, modern dashboard, it brings essential debugging features directly into a compact extension popup window. Whether you are debugging API payloads, checking response headers, or resending requests, this extension streamlines your workflow without cluttering your screen space. 🚀 Key Features: - Live Network Interception: Monitor Fetch and XHR requests in real-time. - Split-View Dashboard: Clean UI with request lists on the left and detailed inspection on the right. - Interactive Collapsible JSON Viewer: Expand and collapse nested objects/arrays in JSON responses for fast debugging. - cURL & Fetch Reconstructors: Copy any request as a formatted shell cURL command or JS fetch code with one click. - Replay Requests: Resend any request directly inside the active tab's context (inherits cookies & session headers). - Advanced Search: Filter requests by URL path, parameters, or type (Fetch/XHR). - Responsive Dark & Light Themes: Toggle between Dark and Light mode. 🛠️ How to Use: 1. Click the API Traffic Sniffer icon in your toolbar. 2. Click Start Monitoring. 3. Trigger XHR/Fetch requests on your webpage. 4. Click any request to inspect Headers, Payload, Response, or Cookies. 🔒 Privacy & Security: - 100% Client-Side: All network traffic interception happens locally on your machine. - No External Servers: No data is ever sent to external databases or third-party servers.