A lightweight in-browser Request Viewer that intercepts and displays fetch/XHR requests in real time. Includes filters, live UI, POST parsing, export to JSON, auto-copy, and a floating DevTools console panel. Just paste it into DevTools and start capturing.
javascript userscript reverse-engineering json-export developer-tools tampermonkey web-security network-analysis security-research http-interception browser-devtools request-capture web-debugging in-browser-tool passive-analysis manual-analysis fetch-xhr cli-free
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Updated
Dec 20, 2025 - JavaScript