Letter Boxed Solver — Find Every Valid Solution

Enter the 12 letters from your Letter Boxed board 3 per side and the solver will find every valid word chain that uses all of them. You’ll see multiple solutions sorted by word count, from shortest to longest.
Use it to check your work, learn from the solution structure, or get unstuck when a puzzle has you completely stumped.

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How to Use the Solver

  • Enter 3 letters for each of the four sides — Top, Right, Bottom, Left.
  • Click ‘Solve’ and wait a moment while the solver searches.
  • Browse the results — sorted by number of words, fewest first.
  • Click any solution to see it explained step by step.
  • Use the best solution in the game, or study the chain to understand why it works.

What Is a Letter Boxed Solver?

A Letter Boxed solver is a tool that takes any set of 12 letters arranged on a square box and automatically finds all valid word chains that satisfy the game’s rules. The solver checks every possible sequence of English words against two conditions: no two consecutive letters can share a side, and the full chain must use every letter at least once.
Most boards have more than one valid solution. A good solver shows you all of them — which is something a single posted answer can’t do. Seeing multiple solutions side by side is also one of the fastest ways to train your eye for the kind of patterns that show up across many different boards.

When Should You Use the Solver?

  • After finishing the puzzle: Compare your solution to the solver’s shortest answer. Did you find the optimal path?
  • When completely stuck: Use it to get unstuck, but try to understand why the solution works before moving on.
  • For learning: Study several solution chains and notice the structural patterns — they repeat across many boards.
  • For building custom puzzles: Use it to verify that your custom board has a clean solution before sharing.
  • For competitive play: If you’re chasing two-word solutions, the solver shows you whether one exists on today’s board.

Does Using the Solver Count as "Cheating"?

Only if you decide it does. Letter Boxed is a game you play for yourself there’s no leaderboard, no prize, no one watching. Some players use hints. Some use solvers. Some finish every puzzle without any help. All three are valid.
The players who tend to get the most value from the solver aren’t the ones who use it to skip the puzzle they’re the ones who use it after attempting the puzzle, to understand where their approach went wrong and what the more efficient path was. That kind of review accelerates improvement much faster than playing more puzzles without reflection.

Can I Use the Solver for the NYT Letter Boxed?

Yes. The Letter Boxed game mechanics are the same regardless of which site’s puzzle you’re playing. Enter the letters from the NYT board into this solver exactly as you would for our own daily puzzle. The solver works for any 12-letter Letter Boxed board.