📋 CSV Column Editor
Upload a CSV file and visually reorder, rename, remove, or add columns. Preview your changes live and download the modified CSV. Supports custom delimiters and large files.
📋
Drop a CSV/TSV file here or click to browse
Or paste CSV content directly below. All processing happens locally.
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Use Tool →CSV Column Editor FAQ
What CSV formats are supported?
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Comma, tab, semicolon, and pipe-delimited files. The parser handles quoted fields with commas and newlines inside them.
Can I reorder columns?
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Yes, use the up/down arrows next to each column to change the order. The preview updates instantly.
Can I add a new empty column?
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Yes, click '+ Add Column' to add a new column. It will appear empty for all rows.
Is my CSV uploaded to a server?
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No. All parsing and editing happens locally in your browser. Your data never leaves your device.