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

Method 3: Reverse Proxy via a Node.js or Cloudflare Worker Server

If you use and deploy as a web app with Execute as me and Access: Anyone , the warning may disappear automatically after a few days or for users who are signed into Google.

The best long-term strategy is to design your Apps Script projects from the start to avoid the unverified warning.

Ensure your script project is tied to a account rather than a free @gmail.com personal account. Open your script editor at Google Script Projects . Click Deploy > New Deployment . Select Web App as the deployment type. Method 3: Reverse Proxy via a Node

This is not a long-term fix. Google may flag apps that use test mode for production purposes, and you cannot exceed 100 users.

The most common way to hide the banner is to host your own HTML page (on GitHub Pages, for example) and embed the Apps Script web app URL inside an "YOUR_WEB_APP_URL" "width:100%; height:100vh; border:none;" Use code with caution. Copied to clipboard : Ensure your script allows iframing by setting the XFrameOptionsMode javascript HtmlService.createHtmlOutputFromFile(

Create a dedicated cloud project within the Google Cloud Console. Open your script editor at Google Script Projects

Before attempting to remove the message, you must understand its cause. The warning appears when a Google Apps Script application attempts to access sensitive user data (like Drive, Gmail, Sheets, or Contacts) or perform actions on behalf of a user without completing Google’s verification process.

To remove the "This application was created by a Google Apps Script user" banner from your web app, you generally need to change how the script is hosted or verified, as it is a built-in security feature for unverified scripts. Primary Solutions

If you are designing internal inventory tools, employee portals, or company automations, you do not have to look at the banner. This is not a long-term fix

If your app is used by people outside your organization (e.g., a public form tool, a lead generator, or an add-on listed on Google Workspace Marketplace), you must complete .

Use a Google Cloud project with proper OAuth branding

For public apps, you must get your app verified by Google. Once verified, the message changes to your app name, e.g.: