Last updated: November 17, 2025
DNAmosaic is a free hobby project created to help genealogists estimate DNA relationships. This is not a commercial service. Here is our Privacy Policy.
📊What We Collect
Required:
- First name (no surnames)
- Age range (e.g., 30s, 40s)
- Sex
- Ethnic background
- Community type
- DNA match info (cM, segments, company, confirmed relationship)
Optional:
- Email (for updates only)
- Match first name
- Longest segment
- Match sex/age
- Which side of family
- Additional notes
We don't collect:
- Cookies, tracking, surnames, addresses, raw DNA data
🔧How We Use It
- Generate relationship estimates (after submitting data)
- Improve DNA relationship accuracy for future users
- Account for population differences, age, and sex factors
Email updates are optional and include unsubscribe links. All data is anonymous and cannot identify individuals.
👥Who Else Sees Your Data
Nobody. Data is never shared or sold.
⏰Data Retention
Data is stored indefinitely to improve future estimations. All data is anonymous.
🔒Security
Reasonable precautions are taken to secure data, but no system is 100% secure. Use at your own risk.
📝Changes
Policy updates will change the "Last Updated" date at the top.
