Data Deduplication Tool Online
Remove duplicate items from your lists, CSV data, or any text content quickly and efficiently. This powerful data cleaning tool helps you identify and eliminate duplicated entries with flexible options for case sensitivity, whitespace handling, and sorting - perfect for data analysts, researchers, and database administrators.
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How to Use the Data Deduplication Tool
1. Paste your data containing duplicates in the input field
2. Select the appropriate separator that divides your items (new line, comma, tab, space, or semicolon)
3. Choose your preferences for case sensitivity, whitespace trimming, and sorting
4. Click "Remove Duplicates" to process your data
5. Copy the deduplicated result to use in your projects
Common Use Cases
• Cleaning up email lists or contact information
• Removing duplicates from data exported from databases or spreadsheets
• Deduplicating IDs, usernames, or other unique identifiers
• Preparing data for import into another system
• Finding unique values in large datasets