Tools that are free — Works with Safari

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HAR File Viewer

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A free HAR file viewer that runs entirely client-side (nothing uploaded) and lets you inspect requests, headers and timing waterfalls — a real developer debugging tool.

FreeData stays with you
What to know▼
How it works
Opens HAR exports from Chrome, Firefox, Safari, or Edge and lets you inspect requests, headers, cookies, request/response bodies, query params, and a timing waterfall, with filtering by status, method, type, or URL and redaction of sensitive headers.
What's different
Runs 100% client-side, so no captured network data leaves your browser.
Pricing
Free.
Best for
Developers debugging network requests and performance.

Watched for 14 days · last checked today

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