About Remove Duplicate Lines
Remove duplicate lines from any text in your browser. Ideal for cleaning up lists, logs, or data exports.
How to use Remove Duplicate Lines
- 1Paste your text with one item per line into the input area.
- 2Toggle 'Case sensitive' to control whether 'Hello' and 'hello' are treated as duplicates.
- 3Enable 'Trim whitespace' to ignore leading and trailing spaces when comparing lines.
- 4The deduplicated result appears instantly with statistics showing how many lines were removed.
- 5Copy the result or download it as a .txt file.
Tips
- Combine with the Sort Lines tool to get a sorted, unique list in seconds.
- Enable 'Trim whitespace' when pasting from spreadsheets — cells often have hidden trailing spaces.
- The statistics line shows exactly how many duplicates were found, helping you spot data quality issues.
OneKitTools TeamUpdated 2.21.4