Can I count rows matching a condition?

Yes — add filter rules and the matching row count updates in real time.

Can I count unique values per column?

Yes — select any column to see its unique value count.

No. Everything runs locally in your browser.

Process files up to the browser memory limit.

Yes — the row counter is free to use with generous file size limits.

Count total rows, filtered rows, and unique values in a CSV file instantly. Securely process files in your browser memory wit

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

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Complete your task perfectly in just three straightforward steps.

Drop your CSV file.

Total rows, non-empty rows, and unique row counts are shown instantly.

Add filter conditions to count matching rows.

Everything you need to know about the Row Counter.

Continue working with our suite of free data utilities.

Apply spreadsheet-style formulas to CSV columns without opening Excel. Fast, private, and secure browser-based tool with no s

Calculate percentages, increases, decreases, and ratios directly in your browser. 100% private, secure, and fast local browse

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