Breeding pedigree

Target Pal

Lineage preference

Breeding route A · Exact passivesMerge the 1–4 rainbow passives you pick onto the target PalCore B · Species onlyIgnore passives, just breed the target species C · Best from poolGive 2–6 candidates; the planner picks the best N-passive combination

Required rainbow passives (1–4)

Picking a route, reading the numbers

Original vs Prioritize IVs: Original only checks breedability — enough for work Pals. Combat or mount mains: use Prioritize IVs, which names exact Pals with hit rates and eggs.
IVThe top pick is not the max: it balances eggs and IVs; cake buffs and items can top IVs to 100 later. Born-max hunters: read the Max IVs card, at a much higher egg cost.
IVAlternates sit at the bottom: fewest eggs, max IVs and shortest route are folded under the result.
IVEggs are a budget, not a promise: counts include gender re-hatches; random mutations are not modeled, so real runs land slightly over.
IVHow IVs are compared: routes rank by the weakest stat's expectation and the chance all three clear the line — never by average.
IVShortest ≠ cheapest: fewer steps can still cost many eggs — check each step's egg note.
A·CWhat “hit rate” counts: only exact-set children count; under 4 targets, cards also quote the extras-allowed rate.
A·CGold and white passives: only rainbow passives are computed; implant gold/white ones at the surgery table.
CFreeze passives in route C: click a ticked candidate again to freeze it 🔒 into every card; freezing more also computes faster.
Keep the save fresh: new Pals in the box can unlock cheaper routes — re-import and generate again.

Save snapshot

This summary stays visible while you work on plans.

Work upgrades

Ranch coverage

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Breeding calculator

All combinations for 288 breedable Pals: parent to child, child to parents, rule type, derivation chain and 1.0 status.

Breeding path map

What to catch and how to breed: starter closure from cheap parents plus lowest-cost chains to key Pals, wild anchors marked.

Capture rate calculator

Estimate capture probability and expected spheres from the target Pal coefficient, sphere level and bonuses.

IV calculator

Enter level and observed HP / Attack / Defense, remove modifiers and back-calculate three IV values from 0 to 100.

How is this different from a normal breeding calculator?

A normal calculator asks you to type parents in by hand. This page reads your Level.sav world save locally in the browser — the file never leaves your device — and plans with the Pals you actually own: species, gender, rainbow passives and IVs. Every lineage it proposes starts from your real box, so each step is something you can do right now.

What else can the same save file do?

The same locally-parsed save also powers the base-building progress checkup — which ingot era you are really in, which lab research you can start now — and the supply inventory audit, your whole build stockpile in 12 categories with sustainability indicators.

Where does the data come from?

All data is extracted from the Palworld 1.0 release. The breeding formula (CombiRank floor((A+B+1)/2)) and the special-override table can be re-derived on the breeding calculator pages; mechanics we have not verified in-game are labeled as unverified instead of being presented as fact.

Breeding calculator ＆ save-file planner

Choose the save files to read

Executable breeding plan

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How is this different from a normal breeding calculator?

What else can the same save file do?

Where does the data come from?