Remove Duplicate Lines
Local processing — your files never leave your devicePaste your list and get a clean version with every repeat removed, plus options to drop empty lines and normalize spacing.
How to use
- 1Paste your list, one item per line.
- 2Enable the options you want.
- 3Click "Process" and copy the result.
Features
- Deduplicate while preserving order
- Remove empty lines
- Count of removed lines
When to use this tool
Use it to clean lists of links, headings, or product IDs, to remove repeats after merging spreadsheets, or to deduplicate a set of keywords.
FAQ
Are similar lines affected by different spacing?
Enable the "ignore extra whitespace" option so lines are considered identical after trimming spaces.
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