How to generate a HAR file in Firefox, Chrome, Edge, and Safari

A HAR file is a JSON-formatted archive file used for logging a web browser's interactions with a web site. We can use the contents of a HAR file to troubleshoot issues with any product that runs in a web browser or consumes a web service.

How to generate a HAR file in Firefox

1. Open Firefox.
2. Load the website that has the issue.
3. Click the menu in the upper right.
4. Select More tools > Web Developer Tools.
5. Click on the Network tab.
6. Refresh the page.
7. Once the page has reloaded, go through the steps that cause the issue and allow Firefox to record the full browser-website interaction.
8. Right-click on one of the network entries in the list.
9. Select "Save All As HAR".
10. Attach the HAR file to the support ticket.

How to generate a HAR file in Chrome/Edge

As of September 30, 2024 with the release of Chrom 130, HAR exports now exclude sensitive data by default. To export logs with the sensitive data, follow these steps:

With the developer tools open, click on the Settings icon in the top-right:

Under Preferences > Network, check the box for Allow to generate HAR with sensitive data:

Then when you want to save the content as a HAR, long-press on the Export button and select "Export HAR (with sensitive data)":

1. Open Google Chrome or Microsoft Edge.
2. Load the website that has the issue.
3. Click the menu in the upper right.
4. Select More tools > Developer tools.
5. Click on the Network tab.
6. Enable exporting HAR with sensitive data as described in the above screenshots.
7. Refresh the page.
8. Once the page has reloaded, go through the steps that cause the issue and allow Chrome/Edge to record the full browser-website interaction.
9. Long-press on the Export button
10. Select "Export HAR (with sensitive data)"
11. Attach the HAR file to the support ticket.

How to generate a HAR file in Safari

1. Open Safari.
2. Load the website that has the issue.
3. If you do not see the Develop menu in the upper menu bar, activate it by following these steps:
   1. In the upper menu bar, select Safari > Settings.
   2. Click on the Advanced tab.
   3. Check the “Show features for web developers" box.
4. In the upper menu bar, select Develop > Show Web Inspector. This should open the Network tab of the developer tools.
5. Refresh the page.
6. Once the page has reloaded, go through the steps that cause the issue and allow Safari to record the full browser-website interaction.
7. Right-click on one of the the network entries in the list.
8. Select "Export HAR".
9. Attach the HAR file to the support ticket.