Remove Duplicate Lines from Text
Delete repeated lines and keep only unique entries
How it works
Duplicate lines often appear when copying data from spreadsheets, logs, or merged text files. This tool removes repeated lines from your text and keeps only unique ones, while preserving the original order. It works instantly and does not modify the content of individual lines.
Original Text
Cleaned Text
Example
apple banana apple orange banana
apple banana orange
Each duplicate line is removed, leaving only the first occurrence of every line.
What this tool does
This tool scans your text line by line and removes exact duplicate lines. The first occurrence is kept, and all repeated lines are deleted without changing the remaining text.
How duplicates are detected
- Each full line is compared exactly as written
- Line order is preserved in the output
Lines must be identical to be considered duplicates. Similar but different lines are not removed.
When to use Remove Duplicate Lines
- Cleaning lists copied from spreadsheets
- Removing duplicates from logs or reports
- Preparing data for CSV or database import
- Cleaning text generated by scripts or exports
- Deduplicating pasted content
Common use cases
Frequently asked questions
Related tools
Summary
Remove Duplicate Lines helps you clean text by deleting repeated lines while keeping the original order. It is ideal for lists, logs, and exported data.