Practical Breeding Tools for Responsible Breeders

BreedTools provides clean, reliable tools for tracking, planning, and record-keeping — designed for real-world breeding workflows.

NEW

Animal Weight Tracker

Track animal weights over time with exact timestamps, notes, milestones, and clear visual trends — all stored locally in your browser.

No signupRuns locallyExport & import

Simple tools you can use immediately — no signup required.

Estimate due dates with realistic early and late whelping windows.

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Calculate gestation timelines across multiple species.

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Estimate realistic heat cycle ranges — not exact predictions.

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Choose the path that fits what you’re looking for.

Practical calculators and tracking tools built for accurate timelines, daily monitoring, and responsible record-keeping.

Clear, evidence-based guidance on canine pregnancy, whelping, growth tracking, and what’s considered normal.

Focused guidance for breeds with unique pregnancy, delivery, and early-growth considerations.