Desktop
Available for Windows, Linux, and macOS (Apple Silicon), including MacBook Neo. Intel Macs are not supported.
Connection & Device Management
Save connection profiles, scan for MiSTer devices, view connection and device information, run or configure Update_All, manage SMB access and network shares, change static wallpapers, reboot the MiSTer, or return to the menu.
MiSTer Settings
Configure MiSTer.ini using guided presets or the advanced raw editor. Manage multiple INI files, create backups, restore earlier configurations, and preserve custom resolutions.
Install Center
Browse, search, filter, install, update, configure, run, and remove supported scripts, cores, extras, wallpapers, and other MiSTer content while following live action output.
SaveManager
Back up, restore, and merge saves and savestates. Keep a configurable number of backups and use the same tools in both Online and Offline modes.
ZapScraper
Download game artwork through ScreenScraper for Recalbox-style setups or Zaparoo Frontend, with caching plus visible quota and KO information.
ZapScripts
Launch games and supported scripts remotely from MiSTer Companion, with quick access to configured content directly from the desktop app.
Remote Control
Control the MiSTer using a virtual controller or keyboard and install, update, configure, or remove the Companion Remote daemon from the desktop app.
Flash SD
Prepare MiSTer SD cards using Mr. Fusion, SuperStation One, or MC-Fusion without leaving MiSTer Companion.
File Browser
Browse the MiSTer filesystem over SFTP, transfer files using drag and drop, and monitor transfer progress.
Manuals & RetroAchievements
Browse manuals stored on the MiSTer and review RetroAchievements profiles, game progress, and achievement information from the desktop app.
Online & Offline Modes
Connect to a running MiSTer over the network, or work directly with an inserted SD card when the MiSTer is unavailable.
Themes & Personalization
Choose built-in or downloadable themes, apply custom themes, adjust interface scaling, and personalize the application appearance.
MC-Updater
Install and launch MC-Updater directly from MiSTer Companion to check for new desktop releases and update the application.