HAR File Viewer
Inspect HAR waterfalls in-browser
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HAR File Viewer - Inspect HAR waterfalls in-browser

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Free online HAR file viewer. Open Chrome / Firefox / Safari / Edge HAR exports and inspect requests, headers, cookies, request and response bodies, query params, and a timing waterfall. Filter by status, method, type, or URL. Redact sensitive headers. 100% client-side.

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Hey Product Hunt 👋 I built Free HAR File Viewer because HARs are full of cookies, auth tokens, and request bodies and most online viewers upload them to a server. This one runs 100% in your browser: - Drop a .har (or paste JSON) from Chrome / Firefox / Safari / Edge - Timing waterfall (blocked → DNS → connect → SSL → send → wait → receive) - Filter by status, method, content type, or URL - Inspect headers, cookies, query params, and bodies - Redact secrets (Authorization / Cookie / Set-Cookie) before sharing - Export filtered HAR so you only share the requests that matter Try it: