HTTP HAR Analyzer
HTTP HAR Analyzer
Upload a .har file captured from browser DevTools; browse all captured requests, filter by URL or status code, and inspect timing.
Paste HAR JSON, or upload/drop a .har file exported from browser DevTools, to inspect HTTP requests, timings, and responses.
HTTP HAR Analyzer
Upload a .har file captured from browser DevTools; browse all captured requests, filter by URL or status code, and inspect timing.
Common uses
- Load a Chrome DevTools network export
- Filter slow requests from a recorded HAR file
Also searched as
- har file viewer online
- analyze har file requests timing
- open har file from chrome devtools
- compare two har files
- find slow requests in har
- har waterfall viewer
- filter har by status code
- http archive viewer
- ttfb in har file
- view failed requests in har
Frequently asked questions
How do I open a HAR file?
Export it from DevTools (Save all as HAR) and load the .har file in the Inspect tab. It is parsed in your browser.
How do I find slow or failed requests?
Filter requests by URL or status code and inspect each request's timing.
Can I compare two HAR files?
Yes, the Compare HARs tab compares two captures.
Is my data uploaded to a server?
No. This tool runs entirely in your browser — your input is processed locally on your device and is never uploaded or stored on a server.