Application Was Created By A Google Apps Script User ((free)) - Remove This
The banner ensures external users know the app is third-party. It prevents malicious actors from designing fake Google login pages to steal credentials.
: If your web app is shared only with users inside your Google Workspace organization, the banner will automatically disappear for them.
Because you cannot change Google's default web app rendering behavior, the only way to eliminate the banner is to change how you deliver the content to your users. Below are the three most reliable, production-ready methods to bypass the "Created by a Google Apps Script User" banner.
How to Remove the "This application was created by a Google Apps Script user" Banner The banner ensures external users know the app
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If you want to quickly clean up your user interface without rewriting your code, is the fastest and most reliable option available today. If you want to implement one of these fixes, let me know:
: Add setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL) to your doGet function: Because you cannot change Google's default web app
The most reliable, policy-compliant way to eliminate the banner is to run the script from a paid Google Workspace enterprise or business domain.
To completely remove the banner from your web application, you must link your Apps Script project to a verified Google Cloud Platform (GCP) project and complete the OAuth consent screen verification process . Google automatically injects this disclaimer banner into standalone Google Apps Script web apps as a security safeguard. The warning alerts external, anonymous users that the application was written by an independent developer rather than by Google directly.
: Perform a search across your project files for any references to "long review" or similar notices to ensure it's not hardcoded somewhere. If you want to implement one of these
To completely remove the banner from a web application, developers must embed their Google Apps Script web app URL inside a self-hosted iframe on an independent domain or migrate the project into an official Google Workspace Add-on .
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