F F90
File conversion

Convert F to F90

QUICK ANSWER
Is it possible to convert F to F90?
Yes - F converts to F90.

Convert fixed-form FORTRAN 77 (.f) to free-form Fortran 90 (.f90) using automated tools. This removes column constraints and modernizes syntax.

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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How to convert F to F90

Converting a .F file to .F90 lets you open the content in software that prefers the .F90 format, though some details may change compared with the original. We are still putting together the list of programs that handle .F files.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

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