Explore how your phone decides which words to correct and predict
Highlights words not found in the dictionary
Finds similar words even with typos (using edit distance)
Automatically fixes words with close matches
Suggests next word based on common patterns
Toggle the features above to see how autocorrect algorithms build complexity step-by-step. Each feature represents a decision the algorithm makes about your text. Start with Dictionary Check to see basic error detection, then add Fuzzy Matching to see how algorithms find similar words, then enable Auto-Correct to see automatic fixes, and finally try Word Prediction to see how your phone guesses what you'll type next!