Remove Duplicate Lines
Paste a list and get back only the unique lines — in their original order.
Runs in your browser — nothing is uploadedHow to use Remove Duplicate Lines
- Paste your list, one item per line.
- Choose whether to ignore case, trim spaces or drop empty lines.
- Copy or download the cleaned list.
Questions
Which copy of a duplicate is kept?
The first occurrence is kept and later repeats are removed, so the original order is preserved.
Can I treat “Apple” and “apple” as the same?
Yes — untick “Case sensitive”. The first spelling that appears is the one kept.