When someone creates an Apps Script project and deploys it as a web app or an add-on, Google automatically inserts a security notice. The notice says: “This application was created by a Google Apps Script user” to distinguish it from an official Google-made app (like Google Forms or Google Docs).
Google shows this warning for any app that:
If you build or use web apps made with Google Apps Script, you have likely seen a prominent gray banner at the top of the screen. It reads: "This application was created by a Google Apps Script user."
When you deploy a Google Apps Script as a web app, Google automatically inserts a grey header banner that reads: This is a security measure to inform users they are interacting with third-party code rather than an official Google product.
: The banner is often hidden when you embed the script's URL as an within a Google Site or your own website. When someone creates an Apps Script project and
As a result, via code or hacks. There is no removeWarning() function. The only official methods are:
If you're looking for more free resources to help you with your Google Apps Script project, check out the following:
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1" /> <base target="_top"> <style> /* Reset margins and padding, ensure the IFrame fills the entire viewport */ * margin: 0; padding: 0; overflow: hidden; height: 100vh;
Google does not provide a checkbox or setting to hide that line. The message is tied directly to your account type. It reads: "This application was created by a
For a truly "free" experience that looks professional, focus on clean UI design within your HtmlService files. A well-designed, functional application will often earn the user's trust regardless of the small disclaimer at the bottom of the page.
Here is a free workaround:
Create a custom CSS cosmetic filter or user script for the ://google.com domain.
You can host a simple HTML file for free on services like GitHub Pages or Google Sites . Example Code: There is no removeWarning() function
Now, whenever you open this page, uBlock will automatically remove that element. Method 3: Change Deployment Permissions (For Limited Use)
To help choose the best solution for your project, please let me know: Is your app for or public users ? Do you have access to a custom domain or web hosting ?
iframe border: none; width: 100%; height: 100%;
If your app is configured for "External" users, it will remain in a "Testing" status, and users will see an "Unverified App" warning. To remove it for the general public, you must submit it for verification. Navigate back to the dashboard in GCP. Under Publishing status , click the Publish App button.