Spreadsheet · Cleanup studio

CSV Cleaner

Tidy messy student, admissions, and contact spreadsheets. Review every transformation live, then download a clean CSV or styled Excel workbook.

Messy CSVpaste or upload

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Clean rulesspaces · blank rows

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Clean outputwaiting

Drop a CSV file
or paste data into the left editor · nothing uploaded

messy-data.csvINPUT

clean-data.csvOUTPUT

0rows output

0trimmed cells

0spaces fixed

0blank rows

0duplicates

0values formatted

Basic cleanup

Trim leading/trailing spaces Collapse repeated spaces Remove blank rows Remove duplicate rows

Contact cleanup

Title-case name columns Lowercase email columns Remove phone punctuation Ignore case when deduplicating

Headers

Header changes appear immediately in the cleaned preview.

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Cleaning happens entirely in your browser. Review the output before downloading—automatic name, email, and phone formatting should only be enabled when those column labels are accurate.

Basic cleanup

Contact cleanup

Headers

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