Free Online Shuffle Lines Tool

A line shuffler randomly reorders the lines of a text using Fisher-Yates and crypto-grade randomness — uniform, unbiased and repeatable.

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How to Use This Text Tool

  1. Paste your lines into the input field, one entry per line.
  2. Click Shuffle to randomise the order.
  3. Click Shuffle again to draw a new random arrangement.
  4. Click Copy to send the shuffled list to your clipboard.

What Is a Shuffle Lines?

Shuffling shows up everywhere: quiz-question randomisation, raffle draws, A/B test order, randomised playlists. The Fisher-Yates algorithm produces a uniformly random permutation in O(n) time, and backing it with crypto.getRandomValues (instead of Math.random) makes the result cryptographically strong — appropriate for raffles and prize draws where bias would be unfair.

The tool keeps the lines themselves untouched; only their order changes. Click Shuffle again to draw a fresh random order. Empty lines are preserved unless you strip them first with the empty-line remover.

Useful for instructors randomising quiz keys, raffle organisers, and engineers sampling test data.

Frequently Asked Questions

Is the shuffle truly random?
Yes. The tool uses Fisher-Yates shuffle backed by crypto.getRandomValues, which produces cryptographically strong random numbers — far more uniform than Math.random.
Why shuffle lines?
Use for randomizing quiz questions, picking raffle winners, A/B-testing order, sampling data without bias, or creating shuffled playlists from a text list.
Can I shuffle multiple times?
Yes — click 'Shuffle' again to re-randomize. Each pass produces a new independent order.

Published by the WeGotEveryTool team. We build and test every tool in-house and update pages when the underlying spec, formula, or recommendation changes.

Reviewed: May 2026. Disclaimer: this tool is provided as-is for general informational use. For decisions with material consequences (medical, legal, financial, security) verify results against a qualified professional source.

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