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Privacy Policy for ChatGPT CO2 Tracker

Last updated: Apr 20th 2025

Introduction

ChatGPT CO2 Tracker ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our Chrome extension.

Information We Collect

Local Data Collection

The extension collects the following information locally in your browser:

  • Number of tokens in ChatGPT responses
  • Response timing data
  • Model type used (e.g., GPT-3.5, GPT-4)
  • Cumulative emissions calculations
  • Water usage estimates
  • Total query count

How We Collect Information

All data is collected directly from your ChatGPT conversations through:

  • DOM monitoring of ChatGPT responses
  • Local token counting
  • Response timing measurements
  • Local storage of cumulative data

How We Use Your Information

The collected information is used to:

  • Calculate CO2 emissions from ChatGPT usage
  • Estimate water usage from AI model inference
  • Display environmental impact metrics
  • Track usage patterns over time
  • Provide reset functionality for stored data

Data Storage and Security

Storage

  • All data is stored locally in your browser using Chrome's storage API
  • No data is transmitted to external servers
  • Data persists across browser sessions unless manually reset

Security

  • All calculations are performed locally in your browser
  • No API keys or sensitive credentials are stored
  • No network requests are made to external servers
  • Data is not shared with third parties

Your Rights and Choices

You have the following rights regarding your data:

  • View your current emissions data through the extension interface
  • Reset your emissions data at any time using the reset button
  • Uninstall the extension to remove all stored data
  • Access and manage your data through Chrome's storage settings

Data Retention

Your data is retained:

  • Until you manually reset it using the extension's reset functionality
  • Until you uninstall the extension
  • Until you clear your browser's local storage

Children's Privacy

The extension is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.

Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Consent

By using our extension, you consent to the collection and use of information in accordance with this Privacy Policy.