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CSV Unique Value Counter

Count distinct values in any selected column of CSV, TSV, or delimited text.

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Related tools

Common uses

Count distinct names, categories, or IDs in a delimited file.
Check how many values repeat before cleaning or deduplicating rows.
Create a value frequency report for a selected column.

Tips

Choose a column whose values should be compared exactly.
Empty cells are ignored unless you include them.

How it works

Select a CSV, TSV, or delimited text file and choose a column.
Review each distinct value and its frequency, then download the report.

Selected files are processed locally on your device and are not uploaded to our application server.