Remove Duplicate Lines
Clean up lists by removing repeated lines. Paste your text and get back only the unique lines, with options to ignore case and trim surrounding whitespace before comparing. Handy for deduplicating emails, keywords, logs, and CSV columns.
How to use the Remove Duplicate Lines
- 1Paste your lines. Add the text or list, one item per line.
- 2Set options. Optionally ignore case and trim whitespace when comparing lines.
- 3Copy unique lines. See how many duplicates were removed and copy the cleaned result.
Frequently asked questions
Does it keep the original order?
Yes. The first occurrence of each line is kept in its original position and later duplicates are removed.
Can it ignore case and spacing?
Yes. Toggle the options to treat differently-cased or differently-spaced lines as duplicates.