Privacy Policy

Last Updated: January 2026

Overview

TopFuelAuto ("the Extension" and "the Service") is committed to protecting your privacy. This policy explains what data we collect, how we use it, and your rights.

Data We Collect

1. Vehicle Data (From Auction Pages)

When you use the extension on Copart.com or IAAI.com, we collect:

  • Vehicle identification number (VIN)
  • Lot number
  • Vehicle details (year, make, model, mileage)
  • Current bid amount
  • Damage information
  • Location

Purpose: To provide you with price analysis, VIN history, and deal insights.

2. Account Information (Optional)

If you create an account:

  • Email address
  • Password (encrypted)

Purpose: To save your favorites, alerts, and sync across devices.

3. Usage Analytics

  • Features used within the extension
  • Error logs for debugging

Purpose: To improve the extension and fix bugs.

Data We Do NOT Collect

  • Browsing history on other websites
  • Personal financial information
  • Data from websites other than Copart.com and IAAI.com
  • Keystrokes or form inputs outside the extension

How We Use Your Data

  1. Provide Services: Analyze vehicles, check VIN history, compare prices
  2. Improve Product: Fix bugs, add features based on usage patterns
  3. Customer Support: Respond to your inquiries

Data Storage & Security

  • All data transmitted over HTTPS encryption
  • Passwords hashed using industry-standard bcrypt
  • Data stored on secure servers in the United States
  • We do not sell your data to third parties

Third-Party Services

We use the following services:

  • NHTSA API: For VIN decoding (US government, free)
  • Our Backend API: For price analysis and history lookup

Your Rights

You can:

  • Access: Request a copy of your data
  • Delete: Request deletion of your account and data
  • Export: Download your saved favorites and alerts
  • Opt-out: Use the extension without an account (limited features)

Data Retention

  • Vehicle analysis: Not stored permanently unless you save to favorites
  • Account data: Retained until you delete your account
  • Analytics: Aggregated and anonymized after 90 days

Children's Privacy

This extension is not intended for users under 13 years of age. We do not knowingly collect data from children.

Extension Permissions Explained

PermissionWhy We Need It
storageSave your preferences and login token locally
activeTabRead vehicle data from the current auction page
tabsDetect when you navigate to a new auction listing
host_permissions (copart.com, iaai.com)Access auction pages to extract vehicle data
host_permissions (api.topfuelauto.com)Send data to our API for analysis

Changes to This Policy

We may update this policy periodically. Significant changes will be communicated through the extension or via email.

Contact Us

For privacy questions or data requests: