While there is no single "off" switch in the settings for free accounts, you can use these methods to hide or remove it: 1. Embed the Web App in Google Sites
When internal users access the application while logged into their company accounts, Google recognizes the trusted workspace perimeter and suppresses the warning banner automatically.
Removing the "This application was created by a Google Apps Script user" banner is a common goal for developers looking to create a more professional-looking web app. This banner is a security feature by Google to alert users that the application was not created by Google itself. While there is no single "off" switch in
For organizations using Google Workspace (formerly G Suite), there was once a belief that the banner wouldn't appear if the app was accessed within the same domain. However, users have reported that this is as of July 2017. Even with Google Workspace for Education or Business accounts, the warning banner can still appear. While some paid account users still find the banner absent for internal apps, this shouldn't be relied upon as a consistent solution.
The banner's design and text have changed over the years. It used to be a light gray box but has since been updated to a light blue banner that can disrupt your web app's layout. On mobile devices, it often forces the page to zoom out to fit the header, making the actual app content below difficult to read and interact with. This banner is a security feature by Google
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(
Rating (optional, short): give a quick verdict. Example: "4/5 — effective solution; could use clearer instructions on manifest edits." Even with Google Workspace for Education or Business
The most effective "native" workaround is to embed your Google Apps Script web app into a page.
, the warning banner typically does not appear. This requires more development work and often a verified Google Cloud project, but it is the "official" way to remove such warnings for professional applications. 3. Use within the Same Workspace Domain
function doGet(e) var data = status: "success", message: "Welcome to my fully custom app interface!" ; return ContentService.createTextOutput(JSON.stringify(data)) .setMimeType(ContentService.MimeType.JSON); Use code with caution. Step 2: Build a Separate Custom Frontend