Online Text Deduplicator

Remove duplicate lines, blank lines, inline duplicates, and extra spaces.

Input Text

Use this page to remove duplicate text and blank lines. It focuses on multi-line or separated text and produces deduplicated text.

How to use

Prepare multi-line or separated text and paste, upload, or enter it as requested by the page.
Adjust the available options, then run the process, conversion, generator, or lookup.
Review deduplicated text, then copy, download, or continue editing the result.

Examples

Typical use

Input

apple
apple
banana

Output

Keeps one apple and one banana line.

Privacy

Processed in browser Input not stored Review sensitive data

The input is mainly processed in your browser, and the page only uses browser capabilities needed to generate the result.

Frequently asked questions

Use multi-line or separated text as expected by this page. If validation fails, try a smaller sample and check encoding, separators, file type, or expression syntax.

The usual causes are input format issues, browser support, or option settings. Verify the workflow with the sample first, then replace it with your own data.

You can copy ordinary results, but review critical fields and edge cases before production use, official submission, financial calculation, or publication.

Next steps

Related tools

After finishing this task, continue with these related tools.

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