If you have built or used a web application hosted on Google Apps Script, you have likely encountered a persistent gray banner at the top of the screen. This banner states: "This application was created by a Google Apps Script user."

If you only want to remove the banner for yourself (e.g., for a public kiosk or personal dashboard), you can use a browser extension to hide the element. : Use an extension like uBlock Origin or a custom CSS injector (like ) to set the banner's container to display: none;

This is the for developers distributing tools within an organization.

Google displays this header automatically for security reasons. It alerts users that the app is a custom creation and not an official Google product, helping to prevent phishing and malware scams.

const express = require('express'); const axios = require('axios'); const cheerio = require('cheerio'); const app = express(); app.get('/', async (req, res) => try // Fetch the raw Google Script App content const response = await axios.get('YOUR_GOOGLE_APPS_SCRIPT_WEBAPP_URL'); const $ = cheerio.load(response.data); // Target and remove the Google banner container elements $('td:contains("This application was created by a Google Apps Script user")').closest('table').remove(); $('div:contains("This application was created by a Google Apps Script user")').remove(); // Send the cleaned HTML back to the browser res.send($.html()); catch (error) res.status(500).send('Error loading application.'); ); module.exports = app; Use code with caution. Method 3: The Custom CSS & iFrame Embedding Hack

In this comprehensive guide, we will explain:

The most direct way to remove the banner is to use a account (formerly G Suite) instead of a standard @gmail.com account.

Host your user interface on free modern platforms like , Vercel , Netlify , or Firebase Hosting .

Note: The gray banner will still appear at the very top of the embedded iframe area, but it will be contained inside your website's layout rather than taking over the user's entire browser viewport.

Click on the button in the top right corner and select New deployment . Click the gear icon (Select type) and choose Web app .