In order to use this tool, you need to create a Google Cloud Platform project at https://console.cloud.google.com/, then go to "API and
Services" > "Credentials" and create an API Key. Then copy the API Key and paste it in the "API
Key"
field
above.
Additionally, you need to enable the below 4 APIs in your project, search these APIs in the search bar of
the
"API and Services" page and enable them one by one.
- Google Docs API
- Google Drive API
- Google Picker API
- Google Sheets API
The API Key will be cached/saved in your browser's Local Storage, so you don't have to enter it again and
again.