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KlockBase

List Randomizer / Shuffler

Text Tools

Shuffle & randomize lists

About List Randomizer / Shuffler

Randomize the order of a list of items using Fisher-Yates shuffle.

Frequently Asked Questions

How does the list shuffler work?
The tool uses the Fisher-Yates shuffle algorithm, which is the gold standard for producing an unbiased random permutation. Each item has an equal probability of ending up in any position.
Can I pick a random subset of items?
Yes. Set the "Pick N items" option to any number less than your total list size. The tool will shuffle the full list and return only the first N items, giving you a random selection.
What does the remove duplicates option do?
When enabled, duplicate lines are removed before shuffling. This ensures every item in the output is unique. Comparison is case-sensitive, so "Apple" and "apple" are treated as different items.
Is my data safe?
Yes! All processing happens entirely in your browser. Your list is never sent to any server. No data is collected, stored, or transmitted.
What can I use this tool for?
Common uses include randomizing name lists for drawings, shuffling quiz questions, creating random team assignments, picking lottery-style winners, and generating random orderings for presentations or tasks.
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