He spent hours customizing the code. It felt perfect—until he hit "Deploy." A glaring, grey banner appeared at the top of his screen:
If you're a developer creating Apps Script projects, you can minimize the chance of warnings by carefully managing your OAuth scopes.
| Your Goal | Action | Cost | | --- | --- | --- | | Stop seeing the pop-up for a script you use | Remove access via myaccount.google.com/permissions | Free | | Permanently remove the warning from your own app | Submit OAuth verification to Google | Free | | Replace warning with your brand name | Publish to Google Workspace Marketplace | Free | | Remove a suspicious app entirely | Revoke access + delete script files from Drive | Free | | Hack/force the warning to disappear | Not possible (security feature) | N/A |
: There are community-built browser plugins specifically designed to detect and remove this iframe message automatically. Why the Banner Exists Google implements this banner to prevent He spent hours customizing the code
For internal company apps, you can also use (no email inbox) to get rid of the banner without paying for full Gmail.
The tool waits for the warning to load and then sets display: none to it, effectively removing it from view. The developer notes that "the warning can't be removed from within because the page is an iframe and your frame will not have external access to remove the message. Therefore, the plugin is required."
Add this style block directly inside the tags of your Index.html file: Why the Banner Exists Google implements this banner
By using the , you get a clean, professional application for free, bypassing the "Created by a Google Apps Script User" banner entirely.
If you're a student, educator, or work for a nonprofit, you may already have access to Google Workspace at no cost. This can be your ticket to warning-free script usage without any additional technical workarounds.
– the “Free / created by a user” text will be gone. Therefore, the plugin is required
How to Remove the "This Application Was Created by a Google Apps Script User" Warning
: Best for hosting static HTML, JavaScript, and CSS web apps entirely for free with custom domain support.
To use it, add this as the first line in your script:
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).