devtools
🔒 Local processing
Local developer utility

HAR Viewer & Sanitizer

Inspect local network logs, sort slow requests and remove selected headers, query parameters and body fields. Your input stays in your browser while you work.

HAR Viewer & Sanitizer🔒 Processed locally
Choose local file

Your files stay on this device.

Nothing selected
Or drag and drop here

Preview before sharing. Bodies are removed by default; otherwise JSON and URL-encoded bodies are filtered by selected key names. Arbitrary text bodies require manual review. URLs are displayed as text and are never requested.

Only options are saved, never input text or files.

How to use HAR Viewer & Sanitizer

Complete the labeled fields above, choose an action, and inspect the result before copying or downloading it.

Processing runs locally in this browser. No input is uploaded or sent to a conversion service.

Preview before sharing. Bodies are removed by default; otherwise JSON and URL-encoded bodies are filtered by selected key names. Arbitrary text bodies require manual review. URLs are displayed as text and are never requested.

Inputs

  • HAR JSON
  • Sensitive field names (comma separated)
  • Remove all request and response bodies

Related tools

  • Secret & PII Redactor — Preview masking of emails, bearer tokens and selected JSON field names before exporting.
  • HTTP Header Analyzer — Analyze pasted HTTP response headers for common security and cache settings. Does not fetch URLs.
  • cURL to Code — Turn common cURL requests into JavaScript fetch, Axios, Python, Go, and Java code.
  • chmod Calculator — Choose owner, group, and other permissions and generate octal and symbolic modes.