Free Online Puzzle Solvers

Every free puzzle solver in one place.

Browse, search, and filter all the free online puzzle solvers available on SolverBox. From Sudoku to anagrams to game lockpick helpers — find the right solver instantly.

5 puzzle solvers found

Sudoku Solver

Enter any 9×9 Sudoku grid and get the unique solution in milliseconds using a backtracking algorithm.

Free Browser-based
Open free solver

Anagram Solver

Coming soon

Enter scrambled letters to find every real word you can make — sorted by length, perfect for Scrabble and word games.

Free Browser-based
In development

Crossword Solver

Coming soon

Type a letter pattern like c???w??d and match it against a 350,000+ word dictionary.

Free Browser-based
In development

Word Puzzle Solver

Coming soon

Input known letters, length, and exclusions to find matching words for Wordle, Spelling Bee, and more.

Free Browser-based
In development

Lockpick Solver

Coming soon

Enter pin positions and interactions to get a step-by-step solution for game lockpicking puzzles.

Free Browser-based
In development

Free puzzle solver tools — FAQ

Everything you need to know about SolverBox's free online puzzle solvers.

How many free puzzle solvers does SolverBox have?

We're continuously adding free online puzzle solvers. Current tools include Sudoku Solver, with Anagram Solver, Crossword Solver, Word Puzzle Solver, and Lockpick Solver coming soon. Check this page regularly for new additions.

Can I suggest a new free puzzle solver tool?

Yes! We love solver requests. Contact us at hi@solverbox.net with the puzzle type you need and we'll prioritize it in our roadmap.

Do the free puzzle solvers work on mobile?

All SolverBox puzzle solvers are fully responsive. The Sudoku grid, word input forms, and result displays adapt to any screen size — phones, tablets, and desktops.

Are the free puzzle solvers really free forever?

Yes. SolverBox is committed to keeping all puzzle solver tools free. We sustain the site through non-intrusive ads, not by charging users.

Can't find the puzzle solver you need?

We add new free online puzzle solvers regularly.

Tell us what you're looking for and we'll build it.

Request a solver Go back home

All suggestions welcome — no account required to request.