BreedTools

Practical Breeding Tools for Responsible Breeders

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

Open Weight TrackerExplore All Tools
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Animal Weight Tracker

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

  • Multiple animals and groups
  • Exact date & time entries
  • Safe editing and corrections
  • No accounts or cloud storage
Start Tracking →
Animal Weight Tracker chart and entry interface

Free Breeder Tools

Simple tools you can use immediately — no signup required.

Dog Whelping Date Calculator

Estimate due dates and early or late whelping windows.

Gestation Calculator

Calculate gestation timelines across multiple species.

Heat Cycle Tracker

Estimate realistic heat cycle ranges.

Looking for guidance?

Explore breeder education and breed guides →