Remove This Application Was Created By A Google Apps Script User [portable] -

Return to the Google Cloud Console and search for .

Google Apps Script is a powerful, accessible platform for building web applications. Because anyone can create a script for free, bad actors historically used it to build malicious pages that mimicked Google login screens. To protect everyday users, Google implemented this permanent footer.

He spent forty-eight hours straight buried in documentation. He learned that the banner was a security feature, a permanent "badge of origin" for scripts running on Google’s infrastructure. It was there to protect users from phishing, ensuring they knew the app wasn't an official Google product.

Since you are hosting the environment, Google does not inject any security banners. Why Does Google Put It There?

When you deploy a web application using Google Apps Script , Google automatically adds a persistent banner at the top of the screen that reads: This warning is a built-in security measure designed to protect users from phishing attacks and to clearly distinguish amateur or third-party tools from official Google products. Return to the Google Cloud Console and search for

This comprehensive guide covers the technical strategies, workaround limits, and platform realities for eliminating this banner.

If you want to distribute your script widely without the unverified app layout issues, you can transition your web application into an official .

: Embedding the web app directly into a Google Site in Full View mode can also suppress the warning message. Alternative Hosting

Open your external website provider or HTML file (such as GitHub Pages or WordPress). To protect everyday users, Google implemented this permanent

. However, you can bypass or hide it using several workarounds depending on your environment. 1. Embed the Web App in an Iframe

If you are developing an internal business tool rather than a public-facing website, you can remove the banner completely by limiting your deployment permissions.

When deploying the project, look under the Who has access dropdown menu. Choose Anyone within [Your Company Domain] instead of "Anyone". This validates your identity internally and strips the safety banner.

While there is no single "disable" button for this banner, you can bypass or remove it using several methods depending on your environment. 1. Embed the Script in a Website It was there to protect users from phishing,

: Tools like "Custom JavaScript for websites" can inject CSS (e.g., #warning display: none !important; ) to hide the element locally.

: It alerts users that the application is built by an independent third party, not by Google engineers.

Configure your OAuth consent screen details and add your privacy policy.

: If your web app is shared only with users inside your Google Workspace organization, the banner will automatically disappear for them.

For public-facing applications that cannot be restricted to a Workspace domain, the official way to remove security warnings is through Google Cloud verification.