Real-time capture
Monitor outgoing requests as you browse. Filter by URL, type, or video streams.
Network Request Sniffer is a Chrome extension that intercepts XHR, Fetch, and video stream requests (HLS/DASH) from the active tab. Inspect URLs, headers, and responses locally โ without sending data to external servers.
Monitor outgoing requests as you browse. Filter by URL, type, or video streams.
View method, status code, request headers, and response body when available.
Export captured data to JSON, CSV, or HAR. Copy individual URLs or the full list.
The extension requests access to network activity and all websites to intercept requests from the pages you visit. Data is processed and stored locally in your browser. We do not operate backend servers and do not collect personal data on our own infrastructure. See our Privacy Policy for full details.