Remove This Application Was Created By A Google Apps Script User

Set the container's height to be slightly smaller than the iframe.

When you deploy a Google Apps Script (GAS) as a web app, Google automatically adds a security banner at the top of the page. For anonymous users, it typically states: "This application was created by another user, not by Google." When the user is logged into a Google account, it may read: "This application was created by a Google Apps Script user". This banner serves as a mandatory security notice from Google, warning users that the content they're viewing comes from a third-party developer and not from Google itself.

Google Apps Script is designed for quick internal tools. For client-facing applications, developers often migrate their logic to or Firebase Hosting . Set the container's height to be slightly smaller

Once verified:

Method 1: Embed the Web App in an External Website (Recommended) This banner serves as a mandatory security notice

Paper version 1.0 – Prepared for technical decision-makers evaluating Google Apps Script deployment strategies.

If your app is built to serve inside Google Sheets, Docs, or Gmail, transform your standalone web app into an official . Add-ons are published through the Google Cloud Console. They undergo an official verification process by Google. Once verified: Method 1: Embed the Web App

Resize the UI container box natively on your screen layout grid. Method 3: Internal Deployments for Google Workspace Domains