FeeFlip Privacy Policy

Marketplace profit estimates. Local-only storage. No tracking.

Last updated: May 30, 2026

FeeFlip is a marketplace profit calculator for sellers, resellers, and flippers. It helps estimate selling fees, profit, margin, ROI, break-even sale price, and target profit sale price before listing or selling an item.

FeeFlip stores calculator data locally in your browser and does not send it to a server.

1. Overview

FeeFlip is a Manifest V3 browser extension that works in Microsoft Edge and Google Chrome.

FeeFlip is designed to be private, simple, and local-first. It does not use a backend server, analytics, tracking, ads, affiliate links, payment features, or remote code.

2. What FeeFlip Stores Locally

FeeFlip stores the following data locally in your browser using browser extension storage:

- Fee presets.

- Calculator settings.

- Currency settings.

- Theme settings.

- Saved calculations.

This data is used so FeeFlip can remember your calculator preferences, saved estimates, and editable fee presets.

3. What FeeFlip Does Not Do

FeeFlip does not sell data.

FeeFlip does not track users.

FeeFlip does not use analytics.

FeeFlip does not use ads.

FeeFlip does not use affiliate links.

FeeFlip does not use payment features.

FeeFlip does not send saved calculations to any server.

FeeFlip does not change your homepage.

FeeFlip does not change your search engine.

4. How FeeFlip Uses Permissions

FeeFlip uses only the storage permission.

FeeFlip does not request host permissions, activeTab, scripting, <all_urls>, or browser settings overrides.

5. Storage Permission Explanation

The storage permission allows FeeFlip to save information locally in your browser.

FeeFlip uses this permission to save fee presets, calculator settings, currency and theme settings, saved calculations, and local import/export backup data.

FeeFlip does not use this permission to send your data to a server.

6. Data Sharing

FeeFlip does not share saved calculations, fee presets, or calculator settings with any server or third party.

All saved FeeFlip data stays local in your browser unless you choose to export a JSON backup file yourself.

7. Data Deletion

You can delete saved calculations and fee presets from FeeFlip's options page.

You can also uninstall FeeFlip anytime from your browser's extensions page.

Depending on browser behavior, uninstalling the extension may remove extension storage associated with FeeFlip.

8. Estimates and Financial Disclaimer

FeeFlip provides estimates only.

Marketplace fees change. You should verify current platform fees for your account, category, region, and platform rules.

FeeFlip does not provide tax, legal, accounting, or financial advice.

9. Remote Code

FeeFlip does not use remote code.

All extension code is included in the installed extension package.

10. Changes to This Policy

This policy may be updated if FeeFlip changes how it handles data, permissions, or privacy.

If the policy changes, the updated version should be published on this page with a new last updated date.

11. Contact

For questions about FeeFlip or this privacy policy, contact:

demarioland.extensions@gmail.com