ftpc — Tiny FTP client for Nintendo 3DS (homebrew)

A minimal, controller-friendly FTP client for the 3DS.

• Anonymous login (user: anonymous, blank password)
• Default port 5000 (editable)
• Passive mode (PASV), IPv4
• Simple file browser with A = enter/ download, B = up
• Downloads files to sdmc:/3ds/
• Remembers last host/port in sdmc:/3ds/ftpc/config.ini

⚠️ Plain FTP (no TLS). Use on trusted local networks only.

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Features

• Browse current directory only using NLST (fast, predictable)
• Enter directories / go up with A / B
• Download files with A (when the selection isn’t a directory)
• 30-ish visible rows per screen (27 content lines + header)
• Flicker-free UI (only redraws on change)
• Config persistence (host/port) between runs

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Controls

Before connect

• X — Edit IP:Port (touch keyboard)
• A — Connect
• START — Exit

After connect (browser)

• D-Pad Up/Down — Move selection
• A — Enter directory / download file
• B — Up one directory (CDUP)
• START — Exit

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Requirements

• A 3DS capable of running homebrew (.3dsx) via Homebrew Launcher
• Wi-Fi network access
• An FTP server that supports:
  • Anonymous login (user anonymous, no password)
  • Passive (PASV) mode
  • IPv4
• Default server port is 5000 (you can change it)

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Build

Windows (recommended)

1. Install devkitPro (includes MSYS2 and pacman).
   https://devkitpro.org/wiki/Getting_Started
2. Open the MSYS2 shell from the devkitPro start menu.
3. Install 3DS tools (if you haven’t already):

   pacman -S 3ds-dev devkitarm-rules