Can I deduplicate based on multiple columns?

Yes, you can specify multiple columns separated by commas to define a unique record combination.

What does the 'Keep Most Complete Record' strategy do?

This strategy analyzes rows and retains the one with the fewest empty fields, ensuring you keep the most informative data.

How does fuzzy matching work?

Fuzzy matching identifies records that are similar but not identical, based on a configurable threshold percentage.

Will this tool change the order of my data?

By default, the tool preserves your original row order, but you can adjust settings to prioritize specific records.

Is my data processed locally?

Yes, all data processing is performed within your browser to ensure your information remains private and secure.

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Data Processing

Data Deduplicator

Remove duplicate rows from CSV files based on multiple column combinations. Perfect for cleaning customer lists, survey responses, and database exports. Features: - Multi-column combination deduplication - Fuzzy matching for similar records - Custom deduplication strategies (keep first, last, or most complete record) - Case-insensitive matching option - Whitespace trimming - Detailed duplicate statistics Common Use Cases: - Remove duplicate customer records - Clean email marketing lists - Eliminate redundant survey responses - Prepare data for analysis

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Data Deduplicator

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1. Cleaning a Customer Mailing List

2. Merging Survey Responses

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