Remove Duplicate Lines
Clean up lists by removing duplicate lines, trimming whitespace, sorting.
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Result appears hereFree Remove Duplicate Lines Tool
Clean up lists by removing duplicate lines, trimming whitespace, and optionally sorting. Perfect for cleaning email lists, keyword lists, or any text data.
How to use this tool
- 1
Paste your list
One entry per line.
- 2
Configure options
Toggle trim, case-insensitive matching, and sort.
- 3
Get the cleaned list
Copy or download the result.
Pro tips
- Enable case-insensitive matching to catch 'Apple' and 'apple' as duplicates.
Frequently asked questions
Does it preserve original order?
Yes, unless you enable sorting.