Free Developer Tool
CSV Duplicate Remover
Remove duplicate rows from CSV files while preserving unique records.
What is CSV Duplicate Remover?
Remove duplicate records from CSV files in a few clicks.
How to use
- Load CSV data.
- Choose comparison mode.
- Remove duplicates.
- Download the cleaned CSV.
Features
- Duplicate removal
- Column selection
- Preserve headers
- Instant processing
Common Use Cases
- Cleaning datasets
- Preparing imports
- Removing repeated entries
- Organizing reports
Example
Input
id,name 1,John 1,John
Output
id,name 1,John
FAQ
Can I remove duplicates from one column?
Yes. You can compare specific columns.
Is the original data changed?
No. The original input remains unchanged.
Can I export the cleaned CSV?
Yes. The result can be copied or downloaded.
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.