Spreadsheet imports
Clean exported data before opening it in Excel, Google Sheets, Airtable, or Notion.
CSV Cleaner
Clean messy CSV files in your browser
Upload a CSV file to remove empty rows and columns, trim extra whitespace, normalize blank column headers, remove duplicate rows, preview the result, and download a cleaned copy. The file is processed locally in your browser and is not uploaded to the server.
Common uses
CSV Cleaner is built for small practical cleanups before importing data into spreadsheets, databases, no-code tools, or ecommerce admin panels.
Product data
Normalize product CSV files before editing titles, tags, prices, or categories in bulk.
Database prep
Remove obvious formatting problems before loading CSV files into scripts or internal tools.