Chrome Extension Privacy Policy

Media Buyer Calculator Chrome Extension

Zero Data Collection Policy

Last Updated: August 30, 2025
Effective Date: August 30, 2025

Privacy Overview

🛡️ Complete Privacy Guarantee

The Media Buyer Calculator Chrome Extension does not collect, store, transmit, or access any of your personal data, browsing activity, or calculation inputs. All calculations happen entirely on your local device.

What We Don't Collect

❌

Personal Information

No names, emails, phone numbers, or addresses

❌

Browsing Activity

No tracking of websites you visit or pages you view

❌

Calculation Data

No campaign metrics, ROAS values, or budget information

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Device Information

No device IDs, browser fingerprinting, or system specs

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Usage Analytics

No tracking of which calculators you use or how often

❌

Cookies or Storage

No cookies, local storage, or persistent data

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Third-Party Sharing

No data shared with advertisers, partners, or other companies

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Network Requests

No data sent to external servers or APIs

How the Extension Works Privately

1

You Input Data

Enter your campaign metrics directly into the calculator

2

Local Processing

All calculations happen on your device using JavaScript

3

Instant Results

Get results immediately without any data leaving your browser

Extension Permissions Explained

Minimal Permissions Required

Our extension requests only the essential permissions needed to function as a calculator popup. We do not request permissions to:

  • Read or modify website content
  • Access your browsing history
  • Communicate with external servers
  • Access your tabs or bookmarks
  • Read your downloads or personal files

Security & Data Protection

🔒 Local Processing

All calculations are performed locally in your browser using client-side JavaScript. Your data never leaves your device.

🚫 No Network Requests

The extension functions completely offline and makes zero network requests to external servers or APIs.

🗑️ No Data Persistence

Calculator inputs and results are not saved, cached, or stored anywhere on your device or elsewhere.

👥 No Third Parties

No analytics services, advertising networks, or other third-party code that could access your data.

Policy Updates

Our Privacy Commitment: If we ever change our zero-data-collection policy, we will:

  • Provide prominent notice through the Chrome Web Store
  • Update this privacy policy with clear explanations
  • Require explicit user consent for any data collection
  • Allow users to continue using the current version if they prefer

Questions or Concerns?

If you have any questions about this privacy policy or want to verify our privacy practices, you can:

  • Leave a review on the Chrome Web Store
  • Review our extension's source code (available upon request)

🛡️ Your Privacy is Guaranteed

The Media Buyer Calculator Chrome Extension is designed with privacy-first principles. Zero data collection. Zero tracking. Zero compromises. Your calculations and campaign data remain completely private and secure on your device.