Features

One Tool for Duplicates and Text Cleanup

Clean lists quickly without moving private text to a server.

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Multiple duplicate modes

Handle lines, words, sentences, email addresses, numbers, and custom-separated lists.

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Email list cleaner

Extract repeated email addresses and keep one clean copy of each address.

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Number deduplication

Find numbers in pasted content and remove repeated values from the result.

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Character removers

Remove punctuation, spaces, quotes, brackets, or your own custom characters in one pass.

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Flexible matching

Control case matching, whitespace cleanup, ordering, and whether to keep the first or last match.

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Private by design

All matching and cleaning happens locally in your browser for fast private processing.

Frequently Asked Questions

It can remove repeated lines, words, sentences, email addresses, numbers, and items in custom-separated lists. You can combine this with character removal options.

Email mode finds valid email addresses in your pasted text and compares them without letter-case differences by default.

Yes. Select any character remover before processing. The cleaner applies those choices before it checks for duplicate items.

Yes. It keeps the first occurrence by default. You can choose to keep the last occurrence or sort the final output.

No. This tool runs entirely in your browser. Your pasted content is not uploaded, saved, or shared.

For reliable browser performance, the tool accepts up to 2 MB of text and 100,000 extracted items in one operation.

Yes. After processing, copy the result, reuse it as the next input, or download it as a TXT file.