HAR Network Log Inspector & Waterfall Viewer

Inspect HTTP Archive (.har) logs exported from browser DevTools with waterfall timing charts, header analysis, and size metrics offline.

100% Client-Side Privacy: All calculations, text transformations, and file operations run locally in your browser. No files or personal inputs are uploaded to external servers.

HAR Network Log Inspector & Waterfall

Inspect browser network waterfalls, latency breakdowns, and HTTP headers offline from `.har` files.

Total Requests 0
Total Transferred 0 KB
Page Load Duration 0 ms
Errors (4xx / 5xx) 0
Request Timeline Waterfall Click a request to inspect headers
Status Method Resource Name Size Waterfall (Time)
Request Inspector Select Request
Click any request in the timeline to view HTTP headers, latency metrics, and payload info.

Informational & Educational Disclaimer

This tool is designed for informational and educational estimation purposes only. Calculations are based on user-provided inputs and standard mathematical formulas. For official tax, legal, or financial decisions, please consult certified professionals or official government publications.