Remove This Application Was Created By | A Google Apps Script User

Google introduced this banner to combat abuse and inform users that the application they are about to use was not created by Google itself. The warning does not mean the app is malicious, but it signals that it comes from a third‑party developer, and users should be cautious.

If the banner is a dealbreaker for your user interface, consider migrating your front-end (HTML/CSS/JS) to a standalone hosting service and using the Google Apps Script API or a backend service to interact with Google data. If you'd like to try the method, Is there any way to remove the banner? : r/GoogleAppsScript Google introduced this banner to combat abuse and

Submit your app for verification. Once Google verifies you as a "verified publisher," the banner is removed for all users. If you'd like to try the method, Is