HAR File Sanitizer

Strip cookies, auth headers and secrets from a .har network export — runs 100% in your browser. No data is uploaded; nothing leaves your device.

Ad space

or paste below

Strips cookies, Authorization headers, API keys and credential parameters from a browser network export (.har) so you can safely attach it to a bug report. All processing happens in your browser — nothing is uploaded.

Loading tool…

Reach for HAR File Sanitizer whenever you need to strip cookies, auth headers and secrets from a .har network export. Privacy-conscious users, journalists and OSINT researchers use it to strip identifying data, test for leaks and share information safely.

How to embed HAR File Sanitizer on your website

Add this free tool to your own site, blog or intranet — it's 100% free to embed. Paste this snippet where you want the tool to appear; it loads a clean, self-contained version with no ads or navigation.

<iframe src="https://tooljolt.com/embed/har-file-sanitizer" title="HAR File Sanitizer" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px" loading="lazy"></iframe>

About HAR File Sanitizer

HAR File Sanitizer is a free online privacy tool that lets you strip cookies, auth headers and secrets from a .har network export. It runs entirely in your browser — no sign-up, no uploads and nothing ever sent to a server — so it is fast, private and safe to use with sensitive data. Whether you are a developer, security professional, student or just curious, HAR File Sanitizer gives you an instant, reliable result with zero setup.

How to use HAR File Sanitizer

1Load your file or data into HAR File Sanitizer (or just open it).
2It processes everything locally in your browser.
3Review what was found, cleaned or exposed.
4Save the safe result — nothing was uploaded.

Why use HAR File Sanitizer?

✓100% free with no sign-up, accounts, watermarks or usage limits
✓Runs entirely in your browser — your input never leaves your device, ideal for confidential security data
✓Protects against metadata leaks, tracking and fingerprinting
✓100% local processing — your files are never uploaded
✓Works on any device with a modern web browser, online or offline

Frequently asked questions

How does HAR File Sanitizer protect my privacy?+

HAR File Sanitizer processes everything locally in your browser — no data, files or metadata are uploaded. Strip cookies, auth headers and secrets from a .har network export happens entirely on your device.

Why should I care about this?+

Hidden metadata, trackers and leaks can quietly reveal your location, identity and habits. Inspecting or cleaning them is a simple, high-impact step toward protecting your privacy online.

Is HAR File Sanitizer free to use?+

Yes. HAR File Sanitizer is 100% free with no sign-up, no account, no usage limits and no watermarks. Use it as often as you like.

Does HAR File Sanitizer upload my data to a server?+

No. HAR File Sanitizer runs entirely in your browser using JavaScript — nothing you type or upload ever leaves your device. That makes it safe to use with sensitive or confidential security data.