The original post: /r/datahoarder by /u/borsic on 2025-03-29 11:14:49.
23andMe lets you build a family tree — but there’s no built-in way to export it. I wanted to preserve mine offline and use it in genealogy tools like Gramps, so I wrote a Python scraper that:
• Logs into your 23andMe account (with your permission)
• Extracts your family tree + relatives data
• Converts it to GEDCOM (an open standard for family history)
Totally local: runs in your browser, no data leaves your machine
Saves JSON backups of all data
Outputs a GEDCOM file you can import into anything (Gramps, Ancestry, etc.)
Source + instructions: https://github.com/borsic77/23andMeFamilyTreeScraper
Built this because I didn’t want my family history go down with 23andme, hope it can help you too!