Line Shuffle Tool (Randomize a List)
Shuffle pasted lists line by line. Great for raffle order, seating charts, task rotation, or study cards. Use an optional seed to reproduce the same result.
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Opciones
How to use
Paste your list
Paste a newline-separated list into the input box.
Set options
Adjust seed, blank-line handling, and header fixing as needed.
Shuffle and copy
Click "Shuffle" and copy or download the result.
Examples (click to insert)
Click a card to fill the input
Notas & tips
- Uses Fisher-Yates for an unbiased shuffle.
- Without a seed, it uses secure browser randomness (crypto).
- All processing stays in your browser; nothing is sent to servers.
- Large lists may take longer depending on device performance.
FAQ
Can I get the same result every time?
S?. With an optional **seed**, the same input yields the same output every time.
Are blank lines removed?
You can choose. Turn on "Quitar blank lines" to exclude them; turn it off to treat them as items.
How many lines can I shuffle?
It depends on your device, but tens of thousands of lines are often practical. Larger lists use more memory and time.
Can I keep the first line fixed?
S?. Enable "Fix first line (header)" to keep line 1 unchanged and shuffle the rest.
Is my data sent to a server?
No. Processing happens locally in your browser.
Is it fair for raffles?
Without a seed, it randomizes the list. For explainable fairness, keep a record of the input, settings, and seed used.