Sudoku Solver Step-by-Step - Online Visual Deduction
Enter a Sudoku puzzle and watch it solved step-by-step with techniques explained. Learn solving strategies. Local only.
UD5 Toolkit
Enter a Sudoku puzzle and watch it solved step-by-step with techniques explained. Learn solving strategies. Local only.
Create or solve logic grid puzzles (like Einstein's riddle). Enter clues and mark the grid. Practice logical deduction. Local only.
Enter word pattern with ? for unknown letters and known letters to find matching dictionary words. Essential crossword help. Local dictionary.
Enter letters and see every possible word permutation. Filter by dictionary words. Master your word game.
Build a combination resistor network by adding series/parallel groups and get total resistance. Visual circuit.
Enter green, yellow, gray letters from your Wordle guess and get a filtered list of possible words. Your secret weapon. Local logic only.
Enter letters and find all possible English words (from a built-in dictionary). Filter by minimum length. Great for Scrabble or word games. Local dictionary lookup.
Stuck in a word scramble game? Enter the scrambled letters and get a list of possible English words. Built‑in dictionary. All local.
Type a mathematical expression like 'sqrt(16)+sin(pi/2)' and get the result instantly. Supports popular functions. Local.
Type letters and discover all possible English words. Useful for word games like Scrabble. Dictionary lookup is client‑side.