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Free Online CSV and Excel Tools

Convert CSV to Excel and JSON, view, merge and split CSV files, remove duplicates and pick columns. Your data stays in your browser.

Convert

Turn a CSV file into an Excel .xlsx workbook.

Save any sheet of an Excel file as CSV.

Convert CSV data into JSON.

Convert a JSON array into a CSV table.

Open a CSV file as a table you can search and sort.

Combine several CSV files into one.

Split a big CSV into smaller files.

Remove repeated rows from a CSV file.

Keep only the columns you need.