List Randomizer
Randomly shuffle a list of items instantly. Paste your names, tasks, or any list and get them in completely random order. Perfect for random selection, lottery draws, and organizing tasks randomly.
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What is List Randomizer?
The List Randomizer shuffles items into a random order. You paste a list with one item per line, and the tool rearranges them using the Fisher-Yates algorithm. Each item has an equal probability of appearing in any position. You can optionally set a seed for reproducible results. All processing happens in the browser.
How does List Randomizer work?
This tool takes a line-separated list and applies the Fisher-Yates shuffle to produce a uniformly random permutation. It treats each line as a separate item, so duplicate lines are shuffled as distinct entries. A seed option lets you reproduce the same shuffle order when needed.
Key Features
- Fisher-Yates shuffle algorithm for uniform randomness
- Preserves or removes empty lines
- Optional seed for reproducible shuffles
- Real-time randomization with instant output
- Copy shuffled list to clipboard
- Download as text file
- Handles large lists efficiently
- Shows item count statistics
Common Use Cases
Running a fair lottery or giveaway
Paste a list of participant names and shuffle to pick a random winner.
Assigning tasks randomly
Shuffle a list of tasks and assign them to team members in the randomized order.
Randomizing player order in a game
Shuffle player names to determine turn order for board games or card games.
Creating random samples for research
Shuffle a list of items or participants and take the first N entries as a random sample.
How to Use This Tool
Paste your list
Enter one item per line in the input area.
Set options
Choose whether to preserve empty lines and optionally enter a seed value.
Shuffle
Click the randomize button. The tool rearranges the list instantly.
Copy the result
Copy the shuffled list or download it as a file.
Pro Tips
- 1
Each shuffle produces a different order unless you use the same seed.
- 2
Remove empty lines before shuffling to get a cleaner result.
- 3
For extra randomness, shuffle twice.
- 4
The seed option is useful when you need the same order on different devices.
Frequently Asked Questions
How random is the shuffle?
The tool uses the Fisher-Yates algorithm, which guarantees a uniform distribution. Every item has an equal chance of ending up in any position.
Can I reproduce the same shuffle?
Yes. Enter the same seed value and the tool produces the same order every time. This is useful for testing or when multiple parties need the same result.
What happens to duplicate items?
Each line is treated as a separate item. If you have duplicate lines, they appear multiple times in the shuffled output.
Is there a limit on list size?
There is no hard limit. The tool handles thousands of items, though very large lists may take a moment depending on your device.
Is my list uploaded to a server?
No. All processing happens in your browser using JavaScript. The list never leaves your device.
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