Spreadsheet data cleaner

Detect and fix common data quality issues in CSV and spreadsheet files.

Goal: Remove duplicates, fix formatting inconsistencies, and flag missing values in tabular data.

Cowork Prompt Pack

Cowork-ready

Read the CSV files in my folder. For each file, report the number of rows, columns, duplicate rows, and columns with blank values. Do not modify any files.

Works best when you limit Cowork to specific folders and verify before destructive actions.

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