CSV Deduplicator Data Cleaning

Find and remove duplicate rows with custom column selection criteria. Inspect both unique and discarded sets.

🔒 100% Client-Side · No Uploads

1. Dataset Input

📁

Drop CSV file here

or click to browse

2. Deduplication Target

Match Criteria

Case Insensitive Match Treats "JOHN" and "john" as identical

Ignore Surrounding Whitespace Trims spaces before comparing rows

Original Rows —

Unique Kept —

Duplicates Discarded —