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Business Tools
Estimate break-even sales and profit goals with our free business calculator.
Data & Analytics
Check CSV data for missing values, duplicates, and inconsistent formats.
Family History
Free tools to evaluate evidence and explore surname spellings.
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Interactive prototypes and creative technology projects.
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Family History Tools
Ancestor Evidence Analyzer
Compare ages and birth dates from several records, keep conflicting claims visible, and download a research summary.
Open the analyzer →Surname Variation Finder
Explore possible alternate spellings, sound-alike patterns, and search wildcards. Suggestions are search leads, not proven relationships.
Find surname variations →