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S O
File conversion

Convert S to O

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Is it possible to convert S to O?
Yes - S converts to O.

The natural 'conversion': assemble the source into a machine-code object file. GNU: 'as file.s -o file.o' or 'gcc -c file.s -o file.o'. On Windows MinGW the same gcc command works; MASM uses 'ml64 /c file.asm'. This is the intended next step in the build pipeline.

Also to O: CC · A

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert S to O

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

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

About these formats

.S Assembly Language Source File

A .s file is an assembly language source file - plain text containing low-level CPU instructions for a specific processor such as x86-64 or ARM. Any text editor opens it for viewing. To…

Open .S details →
.O Compiled Object File

A .o file is the machine-code output a compiler (gcc, clang) produces for one C or C++ source file before linking. You cannot run it directly - the linker combines several .o files and…

Open .O details →