CSV Dedupe

Remove duplicate rows from CSV files

Drop your file here or click to upload

Supports CSV, TSV, TXT files up to 100MB

How to Use

  1. Upload your CSV
  2. Select columns to check for duplicates
  3. Choose which occurrence to keep
  4. Download deduplicated CSV

Features

  • Select columns to check
  • Keep first/last occurrence
  • Preview duplicates
  • Show duplicate count

Use Cases

  • Clean up contact lists
  • Remove repeated entries
  • Ensure data uniqueness

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