Free Developer Tool
Text Deduplicator
Find and remove duplicate lines, entries or repeated text.
Input
Options
Original
9
lines
Unique
6
lines
Duplicates
3
removed
Duplicate Rate
33.333%
of non-empty lines
Result
The first occurrence of each unique line is preserved. Duplicate occurrences are removed.
Removed Duplicates
1Apple
2Banana
3Apple
How It Works
• Lines are processed from top to bottom.
• The first occurrence is always preserved.
• Later matching lines are removed.
• Exact mode compares lines exactly.
• Ignore case treats
Apple and apple as equal.• Ignore whitespace treats differences in whitespace as irrelevant.
What is Text Deduplicator?
Remove duplicate text entries from lists and multiline content while keeping the unique lines for easier data cleanup and organization.
How to use
- Paste or enter your text.
- Analyze the entries for duplicates.
- Remove repeated lines.
- Copy the cleaned result.
Features
- Duplicate detection
- Duplicate removal
- Unique line extraction
- Multiline text processing
- Browser processing
Common Use Cases
- Cleaning lists
- Removing duplicate data
- Preparing datasets
- Text cleanup
- Organizing records
Example
Input
apple banana apple orange banana pear
Output
apple banana orange pear
FAQ
Does it remove duplicate lines?
Yes.
Is the first occurrence preserved?
Yes.
Is processing performed in the browser?
Yes.
Missing a feature?
If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.
New improvements and features are added based on user feedback.