Command-line tool

nasm

brew/nasm

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Netwide Assembler (NASM) is an 80x86 assembler

Website Source

At a glance

Type

Command-line tool

Install on

Windows, macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

Windows

winget install --id NASM.NASM -e
scoop install nasm

macOS

brew install nasm

Linux

brew install nasm

Assemble `source.asm` into a binary file `source`, in the (default) raw binary format

nasm source.asm

Assemble `source.asm` into a binary file `output_file`, in the specified format

nasm -f format source.asm -o output_file

List valid output formats (along with basic nasm help)

nasm -hf

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