How to Capture and Submit a HAR File for Troubleshooting

Last updated: June 18, 2026

A HAR (HTTP Archive) file records the network activity between your browser and a website. Our support team may request a HAR file to help diagnose issues such as:

  • Pages not loading correctly

  • Login or authentication errors

  • Slow performance

  • Missing data or unexpected application behavior

Before You Begin

HAR files may contain sensitive information, including cookies, session tokens, and page content. Review your organization's security policies before sharing a HAR file. If necessary, remove sensitive information before sending the file.


Google Chrome

  1. Open Google Chrome and navigate to the page where you're experiencing the issue.

  2. Press F12 (Windows) or Option + Command + I (Mac) to open Developer Tools.

  3. Select the Network tab.

  4. Ensure the Record button (red circle) is active.

  5. Check Preserve log.

  6. Click the Clear button (circle with a line through it) to remove existing network activity.

  7. Reproduce the issue.

  8. Once the issue has occurred, right-click anywhere in the network activity list.

  9. Select Save all as HAR with content.

  10. Save the file to your computer.


Microsoft Edge

  1. Open Microsoft Edge and navigate to the affected page.

  2. Press F12 or Ctrl + Shift + I to open Developer Tools.

  3. Select the Network tab.

  4. Verify that recording is active.

  5. Enable Preserve log.

  6. Clear any existing network activity.

  7. Reproduce the issue.

  8. Right-click within the network requests panel.

  9. Select Save all as HAR with content.

  10. Save the HAR file.


Mozilla Firefox

  1. Open Firefox and navigate to the affected page.

  2. Press F12 (Windows) or Option + Command + I (Mac).

  3. Select the Network tab.

  4. Reproduce the issue.

  5. Right-click anywhere in the network request list.

  6. Select Save All As HAR.

  7. Save the file to your computer.


Safari

Enable the Develop Menu (One-Time Setup)

  1. Open Safari.

  2. Select Safari > Settings (or Preferences).

  3. Open the Advanced tab.

  4. Enable Show Develop menu in menu bar.

Capture the HAR File

  1. Navigate to the page where the issue occurs.

  2. Select Develop > Show Web Inspector.

  3. Open the Network tab.

  4. Reproduce the issue.

  5. Export the network activity from the Network tab.

  6. Save the HAR file.


Submit the HAR File

After capturing the HAR file:

  1. Save the file locally.

  2. Attach the file to your support ticket or email.

  3. Include:

    • A brief description of the issue

    • The time the issue occurred

    • Steps taken to reproduce the issue

    • Any screenshots that may help illustrate the problem

Providing this information alongside the HAR file helps our support team investigate and resolve your issue more quickly.