# PedigreeChartMaker.com

Clear family health charts — free, private, and ready to print. A pedigree chart maker for genetics classrooms, clinics, and family historians. Everything runs in the browser; no account, no uploads.

## About this site

- The chart maker is a client-side application at /maker/. Charts autosave to browser local storage and export as SVG, PNG, PDF, or .pedigree.json. There is no server-side storage of project data.
- The site follows conventional human pedigree notation: squares (male), circles (female), shading (affected), dots (carriers), proband arrows, twin bars, and dashed adoption brackets.
- Built with Astro, React, XYFlow, and ELK layout. Free with no account.

## Key pages

- Home: https://pedigreechartmaker.com/
- Chart maker: https://pedigreechartmaker.com/maker/
- Quick Build (plain-language chart creation): https://pedigreechartmaker.com/quick-build/
- Templates (inheritance patterns, twins, adoption, animals): https://pedigreechartmaker.com/templates/
- Symbols guide: https://pedigreechartmaker.com/symbols/
- How-to guide: https://pedigreechartmaker.com/how-to/
- Example charts: https://pedigreechartmaker.com/examples/
- FAQ: https://pedigreechartmaker.com/faq/
- Blog: https://pedigreechartmaker.com/blog/

## Templates

- Blank: /templates/blank-pedigree-chart/
- Three-generation: /templates/three-generation-pedigree/
- Autosomal dominant: /templates/autosomal-dominant-pedigree/
- Autosomal recessive: /templates/autosomal-recessive-pedigree/
- X-linked recessive: /templates/x-linked-recessive-pedigree/
- X-linked dominant: /templates/x-linked-dominant-pedigree/
- Mitochondrial: /templates/mitochondrial-inheritance-pedigree/
- Y-linked: /templates/y-linked-pedigree/
- Twins: /templates/twins-pedigree/
- Adoption: /templates/adoption-pedigree/
- Dog pedigree: /templates/dog-pedigree-chart/

## Key facts

- Platform: web app, any modern browser; works on phones and tablets.
- Cost: free; no accounts; no trial; no file limits.
- Privacy: all editing and storage happens on the user's device.
- Formats: SVG, PNG, PDF, JSON project files, and direct printing.
- Accessibility: keyboard shortcuts, screen-reader chart outline, semantic markup.