How to use this tool
Paste a list, click Remove duplicates, then review and copy the cleaned result.
- Add your text to the input panel.
- Choose the action you need and review the result.
- Copy the result only after checking it.
Why this tool is useful
Deduplication cleans email-free lists, keywords, inventory labels, research notes, and exported spreadsheet columns.
TextNivora processes data inside your browser. For important documents, keep an original copy and review every result before using it.
Frequently asked questions
Is matching case-sensitive?
No. Lines that differ only by uppercase or lowercase letters are treated as duplicates.
Are blank lines preserved?
One blank line can remain; repeated blank lines are removed.