If you are developing tools exclusively for corporate use within your own business, you can make the banner disappear naturally by managing deployment configurations. Open your code project in the Google Apps Script Editor . Click > New deployment .
To remove the "This application was created by a Google Apps Script user" banner, you must transition from a personal script to a with an OAuth consent screen that has been verified by Google . Phase 1: Create a Standard Google Cloud Project
If you are developing a tool exclusively for internal business use, the warning banner can be entirely disabled by .
This guide explains why this banner appears and provides step-by-step methods to remove or bypass it. Why Does This Warning Appear?
The core principle is that Google's trust boundary is your Google Workspace domain. If both the script's owner and all its users are within the same Workspace organization, the warning will generally appear for them. If you are developing tools exclusively for corporate
" This is a mandatory security feature intended to inform users that the application is not an official Google product. Google Issue Tracker
Create the project using your enterprise Google Workspace account.
: Google uses this banner to prevent malicious actors from creating fake login pages or data-collection forms that look like official Google products.
Open your external website provider or HTML file (such as GitHub Pages or WordPress). To remove the "This application was created by
: For internal displays, you can use a script to set the banner's display style to none : javascript
: Use an tag on your own domain or a platform like GitHub Pages .
For public apps, you must get your app verified by Google. Once verified, the message changes to your app name, e.g.:
Once verified and published as an add-on, your code executes natively inside Gmail, Calendar, or Drive sidebars, bypassing web app layout banners entirely. Summary of Deployment Options Banner Status Best Used For Requirements Visible ⚠️ Rapid debugging or developer testing Free Google Account HTML IFrame Embedding Hidden 🟢 Public MVPs, contact forms, client tools External host (e.g., GitHub Pages) Workspace Domain Lock Hidden 🟢 Internal enterprise tools & dashboards Google Workspace account Marketplace Add-on Hidden 🟢 Commercial SaaS distribution GCP Verification Process Local Workaround for Developers: Browser Extensions Why Does This Warning Appear
The banner version you see in web apps is a distinct measure from the "unverified app" screen that appears during the OAuth consent flow, though both stem from the same underlying security philosophy. The OAuth screen is more severe, requiring users to click through a warning before granting permissions.
| Situation | Can you remove the line? | |-----------|----------------------------| | Unverified external app | ❌ No | | Internal Workspace app | ⚠️ Changes to domain name | | Verified public app | ✅ Yes (replaced with your name) |
The banner ensures transparency by signaling that an independent account built the tool. However, the banner presents massive roadblocks for professional developers: