Remove duplicate lines.
Find and remove repeated lines with optional case-insensitive matching, trimming, and empty-line removal.
Free & unlimitedNo sign-up requiredRuns in your browser
Total lines0
Unique lines0
Removed lines0
Keeps the first occurrence of each line and preserves its original order. Comparisons happen locally in your browser.
How to use this tool
- Paste your list, one item per line.
- Choose whether case, spaces, or blank lines should count.
- Copy the deduplicated list; the first version of each line stays in place.
Good to know
The first matching line is retained. Choose case-insensitive matching if Apple and apple should be treated as the same item.
This utility processes its content locally in your browser. No usage counter is required while public tools are free and unlimited. As with any online tool, avoid entering sensitive information on devices you do not trust.