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AvailableOpen SourceMIT

HAR File Analyzer

Debug network waterfalls locally.

HAR files contain highly sensitive data including session cookies and authentication tokens. This utility parses and visualizes HTTP Archive files entirely client-side using Web Workers, ensuring your network logs never leave your machine.

  • Web
Open SourceLocal processingNo account

Downloads for this utility are being prepared.

Core features

Included in the free core utility.

  • Client-side HAR parsing via Web Workers
  • Interactive network waterfall visualization
  • Automatic sensitive data highlighting
  • Zero-latency request filtering and search

Privacy & data handling

This utility processes data locally on your device wherever technically possible.

Processing
Local, on your device
Account
Not required
Internet
Works offline
Telemetry
No telemetry

Details

Platforms
Web
License
MIT

Frequently asked questions

What does HAR Analyzer do?

HAR files contain highly sensitive data including session cookies and authentication tokens. This utility parses and visualizes HTTP Archive files entirely client-side using Web Workers, ensuring your network logs never leave your machine.

Is HAR Analyzer free?

Yes. HAR Analyzer is free to use.

Is HAR Analyzer open source?

Yes. HAR Analyzer is open source under the MIT license.

Does HAR Analyzer require an account?

No. HAR Analyzer does not require an account.

Does HAR Analyzer send my data anywhere?

HAR Analyzer has no telemetry. Processing happens locally on your device.

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