Google automatically removes this banner under specific conditions within Workspace environments:
// ==UserScript== // @name Remove Apps Script Warning // @match https://script.google.com/* // @match https://*.googleusercontent.com/* // ==/UserScript== setTimeout(() => let warning = document.querySelector('.warning-banner'); if(warning) warning.style.display = 'none'; , 2000);
The banner is often suppressed or hidden within the container of the hosting site. This report provides a step-by-step guide on how
If someone outside your organization opens the link, they will see a modified, more professional warning that states the app belongs to your specific domain rather than a generic "Apps Script user." Steps to transition:
Removing the "This application was created by a Google Apps Script user" message from a Google Apps Script project is a straightforward process. By using the setTitle method or adjusting the deployment settings, you can easily remove or replace the message with a custom title. This report provides a step-by-step guide on how to remove the message, giving you more control over the UI of your Google Apps Script projects. The most straightforward and reliable way to eliminate
Tools displaying this message are almost always phishing bots .
For internal company apps, you can also use (no email inbox) to get rid of the banner without paying for full Gmail. let warning = document.querySelector('.warning-banner')
The most straightforward and reliable way to eliminate the banner is to upgrade the account hosting the script from a free @gmail.com address to a paid Google Workspace account (formerly G Suite).
Google Apps Script is a powerful tool for automating tasks across Google services. However, when you deploy a web app or script for use by others—especially outside your organization—Google displays a security banner. The most common message reads:
In your Google Apps Script HTML file, ensure you are using IFRAME mode for your HtmlService . javascript
How to Remove the "This application was created by a Google Apps Script user" Banner