> For the complete documentation index, see [llms.txt](https://help.gsctool.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.gsctool.com/troubleshooting/how-to-fix-invalid-google-json-key-issue.md).

# How to fix "Invalid Google JSON Key!" issue

Adjust Ad If you encounter the message "Invalid Google JSON Key!" when uploading or inputting a Google JSON Key to the GSCTool.com Extension

<figure><img src="/files/NkwzDlRP4qrX8s2w1v0K" alt="How to fix &#x22;Invalid Google JSON Key!&#x22; issue GSCTool.com Extension"><figcaption><p>How to fix "Invalid Google JSON Key!" issue GSCTool.com Extension</p></figcaption></figure>

On Windows, go to the clock and edit Date & Time, then click "Sync Now" and ensure "Set time zone automatically" is active.

<figure><img src="/files/pi1Rd4j4h80h4HN3gOOO" alt="Adjust date/time on Windows" width="375"><figcaption><p>Adjust date/time on Windows</p></figcaption></figure>

<figure><img src="/files/UubegdsS77ZowdLwO5Z4" alt="Click &#x22;Sync now&#x22; to Synchronize your clock"><figcaption><p>Click "Sync now" to Synchronize your clock</p></figcaption></figure>

If the issue persists, contact support for further assistance.