Deduplicator

Find and remove duplicate rows from CSV files based on selected key columns. The safest way to process sensitive data with ze

Your files never leave your device. Processed locally. 100% private.

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How To Use Deduplicator

Complete your task perfectly in just three straightforward steps.

1

Upload CSV

Drop your CSV file.

2

Select key columns

Choose which columns define a duplicate — e.g. email, or name+phone combination.

3

Download

Download the deduplicated CSV. Choose to keep first or last occurrence.

FAQ

Everything you need to know about the Deduplicator.

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