Free Breeder Tools
Handy calculators and generators for breeders of every species. No signup required — though signing up saves your results automatically.
Inbreeding Coefficient (COI) Calculator
Estimate the COI of a planned mating from relationship presets or common ancestors.
Open toolGestation & Due-Date Calculator
Enter a mating date and get the due-date window plus milestones for cats, dogs, horses, rabbits and more.
Open toolPedigree Certificate Generator
Fill in three generations and print a clean, professional pedigree certificate.
Open toolLooking for the AI Pedigree Scanner?
Turn a photo of any pedigree certificate into structured data — every ancestor, title and registration number.
Learn moreFree tools FAQ
What free tools does AllBreeds offer?
AllBreeds offers free tools that need no account. The COI calculator estimates inbreeding for a planned mating with no signup required, and the gestation calculator gives due-date windows for cats, dogs, horses, rabbits and other species. An AI pedigree scanner turns a photo of a paper pedigree certificate into a structured list of ancestors.
Save every calculation automatically
Create a free AllBreeds account and your COI, due dates and pedigrees stay with your animals.
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