Web-Tool.net
Fixed-width CSV export

Convert CSV to fixed-width data

Set a UTF-8 byte width for each selected column. Values are never truncated.

Files are read and converted in this browser. Their contents are not sent to a server.

Up to 2 MiB, 10,000 data rows, and 50 columns. Newlines inside quoted fields are not supported.

Columns and byte widths

Select the columns to include and set widths, alignment, and padding for your output format. Initial widths are the minimum bytes needed for the current data.

Terminator bytes are not included in field widths.

Choose a UTF-8 CSV file.

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