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Dev tools · March 8, 2026

HAR Viewer

Inspect HAR files fast, offline, private, no uploads needed.

What it does

A free, open-source HAR file viewer that runs entirely in your browser. Drop in ahar file and get instant search, filtering, timing waterfalls, performance insights, and export tools. Handles thousands of requests without breaking a sweat. No servers, no uploads, your data never leaves your machine.

Does the same job

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