Remove Duplicate Lines cleans repeated lines from lists and notes while preserving first-seen order.
Remove Duplicate Lines
Remove Duplicate Lines
Deduplicate multi-line text while keeping order, with case and trim options - fully local.
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What is this?
How it works
1. Paste multi-line text.
2. Choose case, trim, and empty-line options.
3. Click Remove duplicate lines.
4. Copy or download the unique result.
Features
- Keeps first occurrence order
- Case insensitive option
- Trim lines
- Keep or drop empty lines
- Copy and TXT download
Benefits
Clean email lists, vocab lists, and notes without spreadsheet software.
Trust & privacy
Processing stays in your browser. We never see your list.
Frequently asked questions
Yes. The first time a line appears is kept; later duplicates are removed.
Yes. Enable Case insensitive so Hello and hello count as the same line.