Privacy Policy
Last updated: January 2026
Overview
B·Stock Buddy (“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 and web application.
Information We Collect
We collect the following information:
- Account Information: When you sign up, we collect your email address for authentication purposes.
- Auction Data: When you use the extension to analyze auctions, the auction data (titles, prices, manifest information) is stored locally in your browser's extension storage.
- Usage Analytics: We collect basic analytics data such as pages visited and session duration to help us improve the service. For signed-in users, we may also track feature usage.
How We Use Your Information
- To provide and maintain our service
- To authenticate your account
- To analyze usage patterns and improve our service
- To communicate with you about service updates
Data Storage
Auction data you analyze is stored locally in your browser's Chrome extension storage. This data remains on your device and is not transmitted to our servers unless you explicitly choose to sync it.
Third-Party Services
We use the following third-party services:
- Supabase: For authentication and account management. See Supabase's Privacy Policy.
- Google OAuth: If you choose to sign in with Google. See Google's Privacy Policy.
Data Security
We implement appropriate security measures to protect your personal information. However, no method of transmission over the Internet is 100% secure.
Your Rights
You have the right to:
- Access your personal data
- Delete your account and associated data
- Clear locally stored auction data at any time
Changes to This 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 questions about this Privacy Policy or your data, contact us at matt@bstockbuddy.com