Remove Duplicate Text Lines
Lists of emails, tags, or log lines often repeat. Paste once and keep only unique lines.
Same browser tool as Data Cleaner.
Drag TXT, CSV, or XLSX here, or
About this page
Text deduplication compares full rows, so multi-column paste still works when each line is one record.
For paragraph-style blobs, split into one item per line before cleaning for predictable results.
How to use
- Paste your list into the text area and load it.
- Leave Remove duplicates enabled.
- Copy or download the unique lines.
FAQ
- Will row order stay the same?
- By default yes. You can sort A→Z in cleaning options if you want alphabetical unique lines.
- Is my data uploaded?
- No. Files and pasted text are processed locally in your browser.
- Is this tool free?
- Yes. No registration is required.