CSV Studio

Step 1

Import data

No file

Add a CSV or TSV file up to 25 MB and 150,000 rows

Rows are parsed in this tab and are cleared when you reset or close it.

Cleanup policy

Prepare the export

Trim cell edges Collapse repeated whitespace Remove empty rows Remove duplicate rows Neutralize spreadsheet formulas Add UTF-8 marker for Excel

Ready for a table Import stays in this browser.

Step 2

Protect columns

Waiting for data

Keep unchanged Mask preserves a suffix Replace keeps repeat relationships Drop removes the column

Import a table to review its columns.

Step 3

Review and export

Run cleanup to preview the private export.