Text & Developer Tools

Remove Duplicate Lines

Keep the first occurrence of each unique line.

Private when possible
No account required

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About this tool

Remove Duplicate Lines cleans lists and logs while keeping the first time each line appeared.

How to use

Paste a list.
Copy the unique lines.
Optionally sort afterward.

Features

Order-preserving
Exact line match
Works on large lists
Private

Common use cases

Writing
Editing
Content prep

Supported formats

Privacy

This tool processes data in your browser. Content is not uploaded to our servers unless a feature explicitly requires a network request.

Frequently asked questions

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Text DeduplicatorDeveloperRemove duplicate words while preserving first-seen order.Remove Empty LinesDeveloperDelete blank or whitespace-only lines from text.Text SorterDeveloperSort lines alphabetically A→Z in your browser.

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