What is a HAR File?

A HAR (HTTP Archive) file records the communication between your web browser and a website. It includes useful technical details such as network requests, server responses, loading times, and other diagnostic information.

How to Generate a HAR File in Google Chrome

Use the instructions below to create and save a HAR file in Google Chrome.

Instructions

  1. Launch Google Chrome
    For the best results and compatibility, it is recommended to use Chrome.
  2. Open Developer Tools
    You can do this in one of the following ways:

    • Right-click anywhere on the webpage and select Inspect
    • Or use the keyboard shortcut:
      • Windows/Linux: Ctrl + Shift + I
      • macOS: Cmd + Option + I
  3. Go to the Network tab
    Inside Developer Tools, click on the Network section.
  4. Enable Preserve log
    Check the Preserve log option to keep network activity visible while navigating between pages.
  5. Start network recording
    • Look for the recording button (circle icon) in the top-left corner of the Network tab.
    • If the icon is gray, click it to begin recording.
    • When recording is active, the icon will appear red.
  6. Reproduce the issue
    Perform the same actions that caused the problem in Aircall, such as opening the dialer or making a call.
  7. Export the HAR file
    • Click the Export HAR button or the download icon in the Network tab.
    • Save the generated file to your computer.

Providing a HAR file along with clear reproduction steps allows the Support team to investigate issues faster and more effectively.