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Data and spreadsheets

Remove duplicates

Clean a list by removing repeated values while preserving the original order.

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  • 100% local
  • Instant
  • Free
  • No account
  • Works offline
  • Clipboard

Remove repeated values from a list while keeping the first occurrence and original order.

Guide

How to use this tool

  1. 1

    Paste the list

    Add one value per line.

  2. 2

    Set comparison options

    Choose whether case and surrounding spaces should be ignored.

  3. 3

    Get the unique list

    Copy the cleaned result.

Tips and best practices

  • Work on a copy when your data is important.
  • Review the result before reusing it in another application.
  • Processing takes place directly in your browser.

Frequently asked questions

Is item order preserved?

Yes. The first occurrence of each value keeps its relative position.

Is my data uploaded?

No. Processing happens locally in your browser.

Can I use this tool for free?

Yes. The tool is free and requires no account.

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