HAR File Viewer & Sanitizer

Analyze HTTP Archive (.har) logs with waterfall charts and sanitize auth tokens/cookies. Fast, free, and fully client-side.

Analyze & Sanitize HTTP Archive (.har)

Inspect network waterfall timelines, analyze payload sizes, and securely scrub sensitive tokens or cookies offline.

How the HAR File Viewer & Sanitizer Works

Inspect network traffic recorded in HTTP Archive (.har) files directly in your browser. View timing waterfalls, request/response headers, cookies, and payload details. Includes a one-click sanitizer to strip sensitive Authorization headers, session cookies, and passwords before sharing.

Usage Example

Inspect network requests from a browser recording or strip auth tokens before attaching to a support ticket.

Frequently Asked Questions

Does this upload my HAR file?

No. The entire HAR log is parsed and rendered locally in memory. Your cookies and headers never leave your machine.

What does the Sanitizer do?

It removes Authorization headers, Cookie headers, Set-Cookie response headers, and replaces sensitive query parameters (like api_key or token) with masked placeholders.

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