Free Online Logic Grid Puzzle Solver

Solve Zebra, Einstein, and logic grid puzzles with structured clue rules.

Create people, colors, places, objects, times, or any other equal-sized categories, then add manual clue rules. The Logic Grid Puzzle Solver updates the matrix, flags contradictions, and shows exactly which clues created each deduction in your browser.

Logic Grid Puzzle Solver — build categories and clue rules

This Logic Grid Puzzle Solver is a structured Zebra Puzzle Solver, Einstein Puzzle Helper, and Logic Puzzle Grid Helper in one page. Define people, object, place, order, or custom categories first, then add precise yes/no clue rules instead of pasting a whole story paragraph.

Categories and items

Use equal-sized categories. The first category becomes the row anchor for the final answer table.

Structured clue rules

Add one relation at a time. Natural-language puzzle parsing is intentionally out of scope for this first version.

Current clue rules

# Clue Action

Structured-input boundary

This first version does not parse a pasted English story or infer meaning from full puzzle text. To keep the browser-only Logic Grid Puzzle Solver accurate, enter categories and clue rules yourself.

Logic Grid Puzzle Solver results

This first version does not parse a pasted English story or infer meaning from full puzzle text. To keep the browser-only Logic Grid Puzzle Solver accurate, enter categories and clue rules yourself.

The Logic Grid Puzzle Solver is ready. Add structured clue rules to start updating the matrix.

Confirmed relations

0

Excluded relations

0

Candidate relations

0

Conflict clues

0

Logged changes

0

Logic matrix

Click a matrix cell to cycle it from unknown to Yes, then No, then back to unknown. Each manual mark is saved as a structured clue rule.

Confirmed relations

    Excluded relations

      Conflict clues

        Next step or inferred item

          Final answer table

          Clue-by-clue change record

          Share this Logic Grid Puzzle Solver

          Try this free Logic Grid Puzzle Solver for Zebra puzzles and Einstein puzzles. Build categories, add structured clues, and inspect every matrix deduction locally. #LogicGridPuzzleSolver #ZebraPuzzle

          Logic Grid Puzzle Solver workflow for structured clues

          The Logic Grid Puzzle Solver keeps Zebra Puzzle Solver, Einstein Puzzle Helper, and Logic Puzzle Grid Helper workflows together because they all rely on the same exclusion matrix.

          Logic Grid Puzzle Solver category setup

          Create people, colors, places, objects, times, or custom categories with the same number of items before adding any clue rules.

          Logic Grid Puzzle Solver category and structured clue setup interface

          Logic Grid Puzzle Solver matrix deductions

          Each yes/no clue updates the logic matrix, removes impossible row and column matches, and flags contradictions before they spread.

          Logic Grid Puzzle Solver matrix showing confirmed, excluded, and conflicting relations

          Logic Grid Puzzle Solver final answer review

          Inspect the final answer table and the clue-by-clue change log so you can see which clue produced each deduction.

          Logic Grid Puzzle Solver final answer table with clue change log

          How the Logic Grid Puzzle Solver works

          This Logic Grid Puzzle Solver uses deterministic matrix constraints, not AI text interpretation.

          Logic Grid Puzzle Solver builds pair matrices

          For every pair of categories, the tool tracks whether each item pair is unknown, confirmed, or excluded.

          Logic Grid Puzzle Solver propagates exclusions

          A confirmed relation removes competing choices in the same row and column, then transfers compatible yes/no facts through linked items.

          Logic Grid Puzzle Solver detects conflicts

          If a clue asks for a relation already ruled out, or forces two different matches in one category, the conflict panel names the problem.

          Logic Grid Puzzle Solver input guide

          Use these tips to turn a printed Zebra puzzle or Einstein puzzle into structured clue rules.

          01

          Start the Logic Grid Puzzle Solver with equal categories

          Most logic grid puzzles match one item from each category into a single solution row. Keep every category the same size, such as five people, five colors, five houses, five pets, and five times.

          • Use short item names so the matrix stays readable
          • Put the category you want as answer rows first
          02

          Enter Logic Grid Puzzle Solver clues as rules

          Translate each clue into one or more structured relations: an item is paired with another item, or an item is not paired with another item. Add only what the clue says directly.

          • Use the change log to see what the solver inferred afterward
          • If a clue says two facts, add two separate rules
          • For left/right or before/after clues, add an order category and enter the resulting yes/no exclusions manually
          03

          Respect the Logic Grid Puzzle Solver boundary

          Do not paste a whole English puzzle story and expect automatic understanding. This is a pure front-end logic helper, so structured input keeps results predictable and auditable.

          The first version intentionally avoids NLP and AI parsing; all deductions come from your explicit clue rules.

          Logic Grid Puzzle Solver FAQ

          Common questions about using the Logic Grid Puzzle Solver as a Zebra Puzzle Solver, Einstein Puzzle Helper, and Logic Puzzle Grid Helper.

          Is this Logic Grid Puzzle Solver also a Zebra Puzzle Solver?

          Yes. Zebra puzzles are a classic kind of logic grid puzzle. Create the categories from the Zebra puzzle, enter each clue as a structured relation, and the Logic Grid Puzzle Solver will update the matrix locally.

          Can I use the Logic Grid Puzzle Solver as an Einstein Puzzle Helper?

          Yes. Einstein-style house puzzles use the same category-to-category matching model, so this combined page works as an Einstein Puzzle Helper when you provide structured clues.

          Can I paste a full puzzle paragraph into the Logic Grid Puzzle Solver?

          No. This first version does not promise natural-language parsing. Pasting a whole English story would require NLP or AI interpretation, which is outside the reliable pure front-end scope of this Logic Grid Puzzle Solver.

          What clue types does the Logic Grid Puzzle Solver support?

          The first version supports structured is paired with and is not paired with rules between two categories, including manual Yes / No marks inside the matrix. For a clue such as A is left of B, create an order category and enter the resulting possible or impossible pairings yourself.

          Why does the Logic Grid Puzzle Solver show a conflict?

          A conflict means one clue contradicts an existing confirmed or excluded relation. Check whether an item was matched to two different values in the same category, or whether a later clue tried to confirm something already excluded.

          Does the Logic Grid Puzzle Solver upload my puzzle?

          No. Categories, clue rules, the logic matrix, conflicts, next-step deductions, and answer tables are computed in browser JavaScript after the page loads.

          What are the limits of this Logic Grid Puzzle Solver?

          It works best for equal-sized category matching puzzles. It does not automatically interpret ordering clues, adjacency, before/after time relations, arithmetic constraints, or natural-language clue text; convert those into explicit yes/no relations before using the Logic Grid Puzzle Solver.

          Try more tools after the Logic Grid Puzzle Solver

          SolverBox keeps puzzle helpers free, browser-based, and focused on transparent solving steps.

          After this Logic Grid Puzzle Solver, explore more logic, number, word, and game solvers.

          No account required — structured clue solving runs locally in your browser.