Paste a list to remove duplicates, sort it, or join it into one line, in a click.
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What you can do
| Option | Example |
|---|---|
| Remove duplicates | apple, apple, banana → apple, banana |
| Ignore capitals | Apple and apple count as the same |
| Show only duplicates | Find which values are repeated |
| Sort naturally | item2 comes before item10 |
| Remove line breaks | Join a column into one line or a comma list |
| Shuffle | Random order, for draws and tests |
Common uses
- Cleaning email lists or customer lists before importing.
- Removing repeated keywords from research exports.
- Turning a spreadsheet column into a comma-separated list.
- Fixing text copied from PDFs with broken line breaks.
Frequently asked questions
Does it keep the first or last duplicate?
The first one, in its original position.
Can it ignore extra spaces?
Yes, trimming is on by default.
How many lines can I paste?
Hundreds of thousands work in a modern browser.
Is my list uploaded?
No, it’s processed in your browser.
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