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Fixed Width to CSV Converter

Convert fixed width column text into proper CSV by telling the tool how wide each column is. Legacy mainframe extracts, banking files and old report dumps often pack fields into fixed character positions with no delimiter, which is impossible to import until you slice each line at the right offsets. Enter the column widths as a comma separated list, and this tool cuts every line into those segments, trims the padding spaces from each field, and rebuilds the row as CSV with any commas or quotes escaped safely. Every line is processed the same way, so a whole file lines up into clean columns. Paste your fixed width text, enter the widths like 10,8,20, click convert, and copy the CSV for Excel or a database import. Everything runs locally in your browser, so your records stay private.

Frequently asked questions

What is Fixed Width to CSV?

Convert fixed width column text into proper CSV by telling the tool how wide each column is. Legacy mainframe extracts, banking files and old report dumps often pack fields into fixed character positions with no delimiter, which is impossible to import until you slice each line at the right offsets.

Is Fixed Width to CSV free to use?

Yes. Fixed Width to CSV is completely free, with no sign-up and no usage limits.

Does Fixed Width to CSV work in a web browser?

Yes. Fixed Width to CSV runs in any modern web browser. There is nothing to download or install.

Is my data private with Fixed Width to CSV?

Yes. Fixed Width to CSV runs entirely on your device in your browser, so nothing you enter is uploaded to a server.