Text Deduplicator | Remove Duplicate Lines Online

Free online text deduplication tool. Remove duplicate lines, ignore case or whitespace, and download results.

Remove DuplicatesMultiple ModesLocal ProcessingFree to Use

Text Input & Deduplication Options

Input Text

Deduplication Options

Deduplication Mode

Exact match - Remove identical linesIgnore case - 'ABC' equals 'abc'Trim spaces - Remove leading/trailing whitespace

Sort results alphabetically

Deduplicated Result

🔒We are fully aware of the significance of data privacy. This tool employs advanced local processing technology to ensure that the text you input is processed solely on your own device from beginning to end. We do not collect, store, or view any of your data.