> ## Documentation Index
> Fetch the complete documentation index at: https://docs-staging-quickstart-revamp.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

> Learn how to troubleshoot with HAR files and steps to generate a HAR file.

# Generate and Analyze HAR Files

A [HAR](https://en.wikipedia.org/wiki/.har) (HTTP Archive) file is a JSON-formatted log of a web browser's interactions with a web server.

A HAR file shows the sequence of redirects that happen during a login transaction, which makes it an excellent resource for debugging authentication issues. Including a HAR file in your [support requests](https://support.auth0.com) can help accelerate the troubleshooting process.

<Warning>
  Before sharing a HAR file with anyone (including Auth0), ensure that you remove or obfuscate all sensitive data, such as:

  * Confidential user information
  * Personal identifiable information (PII)
  * Confidential application information

  To learn more, read the following articles on [Auth0 Community](https://community.auth0.com):

  * [Sanitizing HTTP Traces](https://community.auth0.com/t/sanitizing-http-traces/119488)
  * [How to Sanitize an HTTP Trace File Automatically](https://community.auth0.com/t/how-to-sanitize-a-http-trace-file-automatically/120583)
  * [How to Manually Redact Sensitive Information](https://community.auth0.com/t/how-to-manually-redact-sensitive-information/122554)
  * [HAR File is Too Large to Upload to the Support Case](https://community.auth0.com/t/har-file-is-too-large-to-upload-to-the-support-case/122488)
</Warning>

## Generate HAR files

You can generate a HAR file within most web browsers using the built-in developer or inspector tools.

### Google Chrome

1. Close all **incognito** windows in Google Chrome.
2. Open a **new incognito** window in Google Chrome.
3. Go to **View > Developer > Developers Tools**.
4. In the Developer Tools pane, choose the **Network** tab.
5. Check the **Preserve Log** checkbox to record all interactions.
6. Visit the page and complete the steps that trigger the issue.
7. Choose the **Network** tab.
8. Click the down arrow to export the HAR file.
9. Save the HAR file.

### Safari

1. Ensure that **Show Develop menu in menu bar** checkbox is checked under **Safari > Preferences > Advanced**.
2. Choose **File > Open New Private Window**.
3. Choose **Show Web Inspector** in the **Developer** menu, then navigate to the **Network** tab.
4. To the right of **All** near the top-left of the Web Inspector, click the **Filter button** and choose **Preserve Log.**
5. Visit the web page where the issue occurs.
6. Choose **Develop > Show Web Inspector**. The Web Inspector window appears.
7. Complete the steps on the page that trigger the issue.
8. Select the **Network** tab.
9. Click **Export** on the upper right side of the pane.
10. Save the HAR file.

### Firefox

1. Close all **private** windows in Firefox.
2. Open a **new private** window in Firefox.
3. Go to **Tools > Developer > Network** (**Ctrl + Shift + E**).
4. Click the **Network** tab and choose **Persist Logs.**
5. Visit the page and complete the steps that trigger the issue.
6. Choose the **Network** tab and right click and then select **Save All As Har**.
7. Save the HAR file.

### Microsoft Edge

1. Close all **InPrivate** windows in Microsoft Edge.
2. Open a **new InPrivate** window (**Ctrl + Shift + N**).
3. Go to **Settings and more** (the **...** icon) then choose **More Tools > Developer Tools**.
4. Start a profiling session on the **Network** tab of the Developer Tools toolbar.
5. Visit the page and complete the steps that trigger the issue.
6. Select Export as HAR (**Ctrl + S**) and save the HAR file.

### Internet Explorer

1. Close all **InPrivate** windows in Internet Explorer.
2. Open a **new InPrivate** window in Internet Explorer (**Ctrl + Shift + P**).
3. Go to **Tools > F12 Developer Options > Network**.
4. Ensure **Clear entries on navigate** is switched off.
5. Visit the page and complete the steps that trigger the issue.
6. Choose the **Network** tab and select **Export as HAR** (**Ctrl + S**).
7. Save the HAR file.

## Analyze HAR files

Auth0 does not use and does not endorse using any third-party application, tool, or software to analyze HAR files.

After you have sanitized a HAR file, you can open it in a text-editor or browser to view the recorded events.

<Callout icon="file-lines" color="#0EA5E9" iconType="regular">
  See [the Monitoring page](/docs/deploy-monitor/monitor) for more details on each of the log events that can help you troubleshoot issues.
</Callout>

## Learn more

* [Customer Support](/docs/troubleshoot/customer-support)
* [Open and Manage Support Tickets](/docs/troubleshoot/customer-support/open-and-manage-support-tickets)