Last updated: April 13, 2026

Last updated: April 13, 2026

MonoFill Privacy Policy

Overview

MonoFill ("the extension") is a browser extension developed by Monolo. It is designed exclusively for immigration law firms and professionals who use the Monolo platform to manage client cases. This policy explains what data MonoFill collects, how it is used, and how it is protected.

MonoFill ("the extension") is a browser extension developed by Monolo. It is designed exclusively for immigration law firms and professionals who use the Monolo platform to manage client cases. This policy explains what data MonoFill collects, how it is used, and how it is protected.

Data We Collect

MonoFill collects and processes the following data solely to provide its core functionality:

  • Authentication credentials — Authentication tokens are stored locally in Chrome's built-in storage to keep users signed in across sessions.

  • Case and client data — MonoFill retrieves case and client information from your firm's Monolo account via the Monolo API. This data is used only to populate government form fields and is never stored beyond the active session.

  • Active tab URL — MonoFill reads the URL of the active browser tab to determine whether the user is on a supported government filing portal (e.g., my.uscis.gov). No browsing history is recorded or transmitted.

MonoFill collects and processes the following data solely to provide its core functionality:

  • Authentication credentials — Authentication tokens are stored locally in Chrome's built-in storage to keep users signed in across sessions.

  • Case and client data — MonoFill retrieves case and client information from your firm's Monolo account via the Monolo API. This data is used only to populate government form fields and is never stored beyond the active session.

  • Active tab URL — MonoFill reads the URL of the active browser tab to determine whether the user is on a supported government filing portal (e.g., my.uscis.gov). No browsing history is recorded or transmitted.

Data We Do Not Collect

MonoFill does not collect, store, or transmit:

  • Personal data beyond what is already present in your Monolo account

  • Browsing history or activity on non-supported pages

  • Any data from pages outside of supported government filing portals

  • Payment information or sensitive identity documents

MonoFill does not collect, store, or transmit:

  • Personal data beyond what is already present in your Monolo account

  • Browsing history or activity on non-supported pages

  • Any data from pages outside of supported government filing portals

  • Payment information or sensitive identity documents

How Data Is Used

All data processed by MonoFill is used exclusively to auto-fill government immigration forms on behalf of the authenticated law firm user. Data is transmitted only between the extension and the firm's authorized Monolo backend (vtus.app). No data is sold, shared with third parties, or used for advertising.

All data processed by MonoFill is used exclusively to auto-fill government immigration forms on behalf of the authenticated law firm user. Data is transmitted only between the extension and the firm's authorized Monolo backend (vtus.app). No data is sold, shared with third parties, or used for advertising.

Data Storage

Authentication session data is stored locally on the user's device using Chrome's built-in storage API. This data does not leave the device except through authenticated API calls to Monolo's servers.

Authentication session data is stored locally on the user's device using Chrome's built-in storage API. This data does not leave the device except through authenticated API calls to Monolo's servers.

Permissions

MonoFill requests only the permissions necessary to perform its core function. A full explanation of each permission is available on the Chrome Web Store listing page.

MonoFill requests only the permissions necessary to perform its core function. A full explanation of each permission is available on the Chrome Web Store listing page.

Security

All communication between MonoFill and Monolo's backend is conducted over HTTPS. OAuth 2.0 is used for authentication. No credentials are exposed to third-party scripts or services.

All communication between MonoFill and Monolo's backend is conducted over HTTPS. OAuth 2.0 is used for authentication. No credentials are exposed to third-party scripts or services.

Changes to This Policy

We may update this policy as the extension evolves. Significant changes will be communicated through the Chrome Web Store listing or via your Monolo account.

We may update this policy as the extension evolves. Significant changes will be communicated through the Chrome Web Store listing or via your Monolo account.

Contact

For questions about this policy, contact us at info@monolo.co.

For questions about this policy, contact us at info@monolo.co.