jscan

List available serial ports with USB device info. Table or JSON output with watch mode for hot-plug detection.

macoslinuxwindowsreleasedfree

Tech Stack

Rust

Serial Port Scanner

Quickly discover all serial ports on your system with detailed USB device info — vendor/product IDs, manufacturer, product name, and serial number.

Features

Table output — clean, readable table with port name, type, VID, PID, product, and manufacturer
JSON output — machine-readable output for scripting with --json
USB-only filter — show only USB devices with --usb-only
Watch mode — auto-rescan and detect hot-plugged devices with --watch
Verbose mode — detailed per-port info with --verbose

Usage

# List all serial ports
jscan

# JSON output for scripting
jscan --json

# Watch for device changes (rescan every 2s)
jscan --watch

# Only show USB devices, rescan every 5s
jscan --usb-only --watch --watch-interval 5

Installation

Download the binary for your platform from the releases page, extract it, and place it somewhere in your PATH.