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Data Analysis · browser workspace

Extract Unique Values from a CSV Column

Create a sorted, deduplicated list from any CSV column for filters, validation lists, and data cleanup.

Quick start

Built for building a clean list of distinct ids, categories, regions, or filter values.

Everything runs in your browser, so you can test the workflow with sample data when available before using production files.

Output: A one-column CSV containing non-empty unique values.

  1. 1Upload the CSV.
  2. 2Choose the source column.
  3. 3Download the sorted unique-value CSV.
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How to Extract Unique CSV Values

  1. 1Upload a CSV
  2. 2Choose the column to inspect
  3. 3Download the unique-value list

Why Use This Tool?

  • Removes duplicates
  • Skips blank values
  • Sorts for easy review
  • Runs locally

Frequently Asked Questions

Are values case-sensitive?

Distinct values are retained as written, then sorted case-insensitively for readability.