Free Genealogy Tools
Professional-grade calculators and utilities for family tree research. All tools are free to use, no sign-up required.
Relationships
Free Tool
Relationship Calculator
Find the exact relationship and cousin degree between any two family members, with a visual path.
Relationships
Free Tool
DNA Match Calculator
Translate shared centimorgans into the most likely relationships between DNA matches.
Relationships
Free Tool
Cousin Calculator
Enter how each person descends from a shared ancestor to get the precise cousin relationship.
Relationships
Free Tool
Shared Ancestor Finder
Find the closest common ancestor between two people and trace the path that connects them.
Relationships
Calculators
Free Tool
Birth Date Estimator
Estimate a birth year from a recorded age on a census or other dated record.
Calculators
Free Tool
Generation Calculator
Map birth years to their named generation — from the Silent Generation through Gen Alpha.
Calculators
Free Tool
Age Difference Calculator
Calculate age gaps between parents and children, siblings, or spouses across your family.
Calculators
Tree Analysis
Free Tool
Ancestor Coverage Calculator
See how many of your direct ancestors are known in each generation, with a coverage heatmap.
Tree Analysis
Free Tool
Family Tree Statistics
Generate demographics and insights — lifespans, largest branches, longest marriages and more.
Tree Analysis
Free Tool
Family Branch Analyzer
Identify the largest, most complete and most prolific branches of your family tree.
Tree Analysis
Free Tool
Life Expectancy Analyzer
Analyze family longevity — average lifespan, gender differences and trends across generations.
Tree Analysis
Free Tool
Family Timeline Generator
Build a chronological timeline of births, deaths, marriages and other family events.
Tree Analysis
Free Tool
Family Trivia Generator
Turn your tree into a quiz — who lived longest, had the most children, the oldest marriage and more.
Tree Analysis
Data Quality
Free Tool
Family Tree Health Check
Scan your tree for missing dates, places, photos, duplicates and unknown parents.
Data Quality
Free Tool
Family Tree Completeness Score
Get a weighted completeness score across names, dates, places, photos, sources and links.
Data Quality
Free Tool
Duplicate Person Detector
Find likely duplicate people by name, dates and places, with merge suggestions.
Data Quality
GEDCOM
Names & Surnames
Free Tool
Soundex Calculator
Encode surnames phonetically to find spelling variations in census and immigration records.
Names & Surnames
Free Tool
Surname Origin Explorer
Explore the meaning, origin, distribution and variants of a family surname.
Names & Surnames
Free Tool
Name Meaning Tool
Look up the origin, meaning, gender usage and variations of a given name.
Names & Surnames