Duplicate Lines Remover
Remove duplicate lines from a list — keep first or last, case-insensitive, trim before comparing, sort, and report removed lines. 100% private.
About Duplicate Lines Remover
Remove duplicate lines from a list — keep first or last, case-insensitive, trim before comparing, sort, and report removed lines. 100% private. Everything runs locally in your browser — your data never leaves your device.
How to use
- Enter your input in the tool above.
- Adjust any options to your preference.
- Use the Copy or Download buttons to save the result.
- Everything happens locally — your data never leaves your browser.
FAQ
Can I keep the last occurrence instead of the first?
Yes. Select 'Keep last' in the options — the tool keeps the last occurrence of each duplicate line instead of the first.
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