Privacy Policy
Last updated: January 10, 2026
Introduction
HighlightsHub ("we", "our", "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our service.
Information We Collect
Account Information
When you create an account, we collect:
- Email address – Used for authentication and account recovery
- Display name – Your chosen public username
- Avatar image – Optional profile picture you upload
- Bio – Optional profile description
Content You Create
We store the content you choose to save:
- Books – Title, author, ISBN/ASIN, cover image URL
- Highlights – Text passages you've highlighted from your books
- Notes – Personal notes you attach to highlights
- Tags – Labels you create to organize highlights
- Collections – Groups of highlights you organize
Social Interactions
If you choose to use social features:
- Follows – Users you follow and who follow you
- Likes – Highlights you've liked
- Comments – Comments you post on shared highlights
Chrome Extension Data
When using the HighlightsHub Chrome Extension for syncing:
- Sync timestamps – When each book was last synced
- Book identifiers – ASINs to track sync status
- Highlight counts – Number of highlights per book for change detection
This data is stored locally in your browser and on our servers to provide intelligent sync functionality.
How We Use Your Information
We use your information to:
- Provide and maintain the service
- Enable you to save, organize, and review your highlights
- Allow social features like sharing highlights and following users
- Send account-related emails (password reset, etc.)
- Improve our service based on usage patterns
Data Sharing
We do not sell your personal information. We only share data in these cases:
- Public content – Highlights and profile info you choose to make public
- Service providers – We use Supabase for database hosting and Cloudflare for CDN
- Legal requirements – If required by law
Cookies
We use only essential cookies for:
- Authentication – To keep you logged in
- Cookie preferences – To remember your cookie consent choice
We do not use tracking cookies or third-party analytics cookies.
Your Rights
You have the right to:
- Access – Download all your data from Settings
- Delete – Permanently delete your account and all data from Settings
- Rectify – Edit your profile and content at any time
- Portability – Export your data in JSON format
Data Retention
We retain your data as long as your account is active. When you delete your account, all your data is permanently removed from our servers within 30 days.
Security
We use industry-standard security measures including encrypted connections (HTTPS), secure password hashing, and row-level security policies to protect your data.
Children's Privacy
Our service is not intended for children under 13. We do not knowingly collect information from children under 13.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by posting a notice on the website.
Contact Us
If you have questions about this Privacy Policy, please contact us at [email protected].