Remove This Application Was Created By A Google Apps Script User [repack] < Secure | BREAKDOWN >

Before attempting to remove the banner, it is vital to understand why Google enforces it. Google Apps Script allows developers to build functional web apps hosted on Google’s infrastructure using modern JavaScript. Because these apps run under the script.google.com domain, malicious actors could easily recreate official Google login pages to steal user credentials.

You cannot use internal JavaScript, CSS injection ( !important ), or Google Apps Script configuration properties to natively force the removal of the user disclaimer. Google explicitly prevents the script's HtmlOutput from accessing or modifying the outer parent frame holding the warning.

If you just want a clean user experience for a small tool, consider making the app internal or hosting it on another platform (e.g., Glide, Bubble, or a simple Node.js server). Before attempting to remove the banner, it is

Removing the “This application was created by a Google Apps Script user” message is primarily about establishing clear app identity and completing Google’s branding and verification flows. The effort not only removes an impersonal label but increases user trust and provides a more professional experience. If you’d like, I can produce the exact steps and example values for linking an Apps Script project to a GCP project and configuring the OAuth consent screen.

Use code with caution.

) typically fails because the banner is rendered in a parent frame that the script's code cannot access due to cross-origin security policies. into a self-hosted iframe? Is there any way to remove the banner? : r/GoogleAppsScript

To summarize your options for dealing with the message: You cannot use internal JavaScript, CSS injection (

The short answer is . The banner is injected by Google's infrastructure outside your script's control. Even with Google Workspace (formerly G Suite) paid accounts, there's no official setting to disable this warning banner entirely. According to Google's Issue Tracker, this is a known behavior that Google hasn't provided a solution for.

: If you're still unsure, consider reaching out to Google Support or posting your question on a relevant forum (like the Google Apps Script community on Stack Overflow). Removing the “This application was created by a