Shuffle Text
Randomly shuffle text by character, word, or line using a proper Fisher-Yates shuffle.
Shuffle mode:
Result:
How to Use the Shuffle Text Tool
Paste your text, choose whether to shuffle individual characters, whole words (each word stays intact but their order is randomized), or entire lines, then click Shuffle. Click "Shuffle Again" any time to get a fresh random order. Under the hood, this uses a proper Fisher-Yates shuffle rather than a naive sort(() => Math.random() - 0.5), which is statistically biased and doesn't produce a truly random order.
Example
Shuffling the words in "the quick brown fox jumps" might produce "fox jumps the quick brown" — each word stays whole, only their positions change. Shuffling the same text by character instead would scramble every letter individually.
Common Use Cases
- Randomizing the order of quiz questions, raffle entries, or a list of names in a fair way.
- Scrambling letters within a word set for anagram or word-puzzle games.
- Randomizing the line order of a playlist, task list, or set of prompts.
FAQs
- Why does the tool use a Fisher-Yates shuffle instead of sorting with Math.random? Sorting an array with a random comparator is a common shortcut, but it produces a statistically biased result where some orderings are far more likely than others. Fisher-Yates guarantees every possible ordering is equally likely, giving a genuinely fair shuffle.
- Is this random number generator secure enough for anything sensitive? It uses JavaScript's standard
Math.random(), which is fine for shuffling text, games, or raffles, but it isn't cryptographically secure — don't rely on it for anything security-sensitive like generating passwords or keys. - What happens to spacing when shuffling words? Words are extracted, shuffled, and rejoined with single spaces, so original multiple-space or line-break formatting between words isn't preserved in word mode — use line mode if you need to keep each line's internal formatting intact.