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Free tools for breeders. No signup, no paywall. Built by a breeder who uses them.
Enter a 3-generation pedigree and get the Wright's COI for a planned pairing. Identifies common ancestors and shows each one's contribution to the inbreeding coefficient.
Fill in your animal's information and ancestor names. Download a printable PDF pedigree certificate in landscape format. No account needed.
Predict offspring traits for a crested gecko pairing. Exact percentages for Lilly White (co-dominant). Observed-trend predictions for base color, pattern, dalmatian spotting, and pinstripe.
Analyze a puppy or litter page for breeder-specific SEO, buyer clarity, and conversion issues. Detect missing signals, see structure gaps, and get AI-powered suggestions for stronger titles, metadata, and listing copy.
More than free tools
The contract kit covers paperwork. Breed Ledger covers the website, waitlist, and registry. Together they replace most of what breeders are juggling today.
Free · No signup
COI calculator, pedigree certificate generator, crested gecko morph calculator, and a puppy listing SEO checker. Open them in your browser and use them right now.
Browse the tools →Free + $59 paid kit
Four free PDF contracts cover animal sales, deposits, stud service, and breeding rights. The full kit ($59) adds five more contracts, editable .docx files, and field-note annotations explaining every clause.
Get the free kit →All-in-one platform · Starts free
For individual breeders, breed clubs, and registries. Animal management, pedigrees, waitlists, e-commerce, and a real public website. Replaces Wix, Shopify, and Squarespace and adds the breeder tools they were missing.
Used by Gold Standard Gecko Club for their registry, member portal, and event system.
See Breed Ledger →Need something custom? See custom builds →
These tools are part of a broader set of breeder infrastructure being built through Breed Ledger. If there is a tool you wish existed for your breeding program, reach out.
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