HAR File Viewer & Sanitizer
View HTTP Archive (.har) logs with waterfall charts and remove sensitive auth tokens or 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
Look at network traffic from HTTP Archive (.har) files straight in your browser. See timing waterfalls, request/response headers, cookies, and payload info. There's even a one-click sanitizer to remove sensitive Authorization headers, session cookies, and passwords before you share them.
Usage Example
Check network requests from a browser recording or clean up auth tokens before sending to a support ticket.
Frequently Asked Questions
Does this tool upload my HAR file?
No. It parses and renders the whole HAR log locally in memory. Your cookies and headers stay on your machine.
What's the sanitizer for?
It strips out Authorization headers, Cookie headers, and Set-Cookie response headers. It also masks sensitive query parameters like api_key or token.