Can I make duplicate removal case-sensitive?

Yes, toggle case-sensitivity on to treat "Apple" and "apple" as different lines, or off to treat them as duplicates regardless of capitalization.

Can I sort the list after removing duplicates?

Yes, choose to sort the cleaned list alphabetically in ascending or descending order, or keep the original order.

Does it remove empty lines and extra whitespace too?

Yes, optional settings let you automatically trim whitespace and remove empty lines while deduplicating your list.

Is this duplicate line remover free to use?

Yes, completely free with no limits on text length or number of uses.

Does it store my text on a server?

No, all processing is client-side in your browser; nothing is ever uploaded to a server.

Duplicate Line Remover

Case SensitiveTrim WhitespaceRemove Empty Lines

Sort Output:

Original Lines

Unique Lines

Removed Duplicates

Original Text Input

Deduplicated Output

apple
Banana
orange
grapes

Free Online Duplicate Line Remover

Clean up any list or block of text by instantly removing duplicate lines. Choose case-sensitive or case-insensitive matching, trim extra whitespace, remove empty lines, and sort the result alphabetically — all processed locally in your browser.

Common Uses

Cleaning email address or contact lists before import.
Removing duplicate keywords from an SEO keyword list.
Deduplicating data exported from spreadsheets.
Cleaning up log files or configuration lists.

Frequently Asked Questions

Find answers to common questions about this tool, data privacy, and usage.

Paste your text or list into the input box, and duplicate lines are automatically removed in real time, leaving only unique entries.

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