---
title: "How to create HAR file"
canonical: "https://wiki.brokenbuild.net/space/VEL/3257565196/How%20to%20create%20HAR%20file"
format: markdown
---
### What is a HAR file?

The HAR (HTTP Archive) file format is a JSON-structured file containing all network traffic information about a browser's interactions with the server providing content for a webpage. Support engineers use it for troubleshooting.

### How to get the HAR file?

> ℹ️ **Attention**: To record all the needed data from the beginning, please open the Developer Tools **before** the gadget/dashboard reloads.

Follow the next steps:

1. Open Developer Tools (DevTools) in your browser:
  1. on Windows: press the *F12 key *or *Ctrl+Shift+I;*
  2. on Mac (Chrome): press *Command+Option+I;*
  3. on Mac (Safari): press *Command+Option+C (*Preferences -> Advanced -> "Show Develop menu in menu bar" checkbox should be enabled);
2. Chose the “Network” tab:
  Reproduce the issue - repeat the same actions which lead to an error, incorrect or unpredictable result;
4. Export the HAR file:

### How is the HAR file used?

The HAR file allows support engineers to analyze the application state and identify the issue's root cause.