Runs locally in your browser
Count how many times each line appears in a list and order the result by frequency or first appearance.
About this tool
Frequency counts reveal which IDs, labels, categories, or responses dominate a list before you remove duplicates.
The result uses a tab-separated count and value format so it can be pasted into a spreadsheet.
FAQ
Yes. Turn off case-sensitive matching to combine values such as Blue and blue.
Each line contains the count, a tab, and the original value.
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Guides
Learn decision-focused methods to remove duplicate lines while keeping first or last occurrence. Compare command-line, spreadsheet, and browser-local tools.
Read guide →