Fixed-width to CSV
Parse text inputs with fixed column widths into standard CSV rows. Fast, free, and fully client-side.
Input source
Result / Output
How the Fixed-width to CSV Works
Parses legacy mainframe fixed-width text files into delimited CSV format based on custom column widths.
Usage Example
Convert banking and legacy mainframe export files into modern CSV spreadsheets.
Frequently Asked Questions
How do you specify column widths?
Enter comma-separated column character widths (e.g. `10, 20, 15, 8`) or click column boundary dividers.
Browse more
See all CSV tools.