Free Tools
30+ Free Tools
Genetics, pregnancy, fertility, and baby development tools - completely free, no credits required.
100% free
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6 categories
Genetic Predictors
Predict eye color, hair color, blood type, and more
- Eye Color Predictor
- Hair Color Calculator
- Blood Type Calculator
- Height Estimator
- Hair Type Predictor
Pregnancy Tools
Essential calculators for expecting parents
- Due Date Calculator
- Weight Gain Calculator
- BMI Calculator
- Caffeine Tracker
- Iron Calculator
Fertility Tools
Plan your pregnancy journey
- Ovulation Calculator
- Fertility Window
- Cycle Calculator
- Conception Date
- Implantation Calculator
Baby Development
Track your baby's growth
- Weekly Baby Size
- Growth Chart
- Weight Percentile
- Sleep Schedule
- Tooth Calendar
Fun Predictors
Traditional methods for entertainment
- Chinese Gender
- Mayan Gender
- Zodiac Planner
- Sibling Gap Calculator
Health Calculators
General health and nutrition
- Water Intake
- Prenatal Vitamins
- Safe Medications Guide
- Exercise Guidelines