fnm

fast Node.js version manager written in Rust

TLDR

Install Node version

$ fnm install [18]

Use specific version

$ fnm use [18]

Set default version

$ fnm default [18]

List installed versions

$ fnm list

List remote versions

$ fnm list-remote

SYNOPSIS

fnm command [options] [arguments]

fnm (Fast Node Manager) is a Node.js version manager written in Rust. It provides quick installation and switching between Node.js versions with minimal overhead.
The tool reads .node-version or .nvmrc files for automatic version switching. Shell integration enables per-directory version selection without manual commands.
fnm emphasizes speed with Rust implementation and cross-platform support including Windows.

PARAMETERS

COMMAND

Operation: install, use, list, uninstall, default, etc.

install VERSION

Install Node.js version.

use VERSION

Switch to version.

default VERSION

Set default version.

list

List installed versions.

list-remote

List available versions.

uninstall VERSION

Remove version.

current

Show active version.

--help

Display help information.

CONFIGURATION

.node-version

Specifies Node.js version for the current directory.

.nvmrc

Alternative version file format compatible with nvm.

CAVEATS

Requires shell configuration for auto-switching. Not all nvm features supported. Separate from npm/pnpm.

HISTORY

fnm was created as a fast alternative to nvm, the original Node Version Manager. Written in Rust, it dramatically improves installation and switching speed over shell-based alternatives.

fnm