Turn a HAR capture into useful evidence
Inspect a browser HAR capture locally. Find HTTP errors, slow requests and busy hosts without uploading your capture or replaying requests.
Read the field guide →LESS GUESSWORK. BETTER EVIDENCE.
Find the snag in your network capture.
CAPTURE LAB / LOCAL ONLY
Open a capture. Keep it here.
HAR files can contain passwords, tokens and private content. This tool reads your selected file in this tab; it does not upload it.
Up to 8 MiB · 5,000 entries · no request replay
NO FILE SELECTED
The clues are in the requests.
Start with the synthetic sample or select a browser capture. Inspect response codes, durations and request concentration by host.
Summary exports omit hosts, URLs, headers and bodies. Review any report before sharing. Raw capture data stays in memory until cleared or the page closes.
Your IP. Just your IP.
curl https://networkgoblin.com
A command-line request returns the public source address seen by this service.
Endpoint details →