How It Works

A Local Watchdog for Your Mods Folder

ModMinder is a desktop app that watches your Sims 4 Mods folder, runs real diagnostics (not guesswork), and gives you a one-click fix when something’s actually broken. Nothing ever leaves your computer.

Windows & macOSNative desktop app
100% LocalNo cloud, no account
FreeNo subscription
Background ModeTray/menu-bar + launch at login

Under the Hood

A look at what actually runs when ModMinder checks your mods.

Auto-Pilot

A debounced watcher on your Mods folder triggers a full check on every change, at launch, and periodically in the background — no manual "run scan" button to remember.

Mod Doctor

Real DBPF resource-key parsing finds actual conflicts between packages, not filename guesses. Un-extracted zips, duplicate mods, and byte-identical copies (via content hashing) get flagged too.

Quarantine & History

A flagged mod is only ever moved after you confirm — never silently. Every quarantine action is logged in History with one-click Restore, so nothing is ever really gone.

"Not a Problem" Dismissals

Automated checks are heuristics, not certainties. If a flagged mod turns out to be fine, tell ModMinder once and it stops flagging it — undoable any time from Settings.

Manual Bisection

For issues Mod Doctor can’t pin down automatically: a guided workflow that halves your mod list round by round until it isolates the actual culprit.

Runs in the Background

Closing or minimizing the window sends ModMinder to the tray/menu bar instead of quitting, so Auto-Pilot keeps watching. An optional setting launches it automatically at login.