Clean

Clean your Mac with a full receipt.

Clean finds the caches, logs and leftovers your Mac collects, and lists every item with its size and full path before anything moves. You choose what goes, and by default it goes to the Trash.

Buy Disklumo $17 All features

Clean results: five categories with their sizes, and a bar showing what stays, what is selected and what is free.

What Clean finds.

App caches & logs

Caches from apps, browsers and cloud services, and old logs. You stay signed in, and your browsing history stays.

Developer tools

Build caches from Xcode and Simulators, SwiftPM, npm, pnpm, Homebrew and other package managers. The next build rebuilds what it needs.

AI tools

Caches and old tool versions from AI apps and coding tools such as Claude Code, Codex, Cursor and Gemini CLI. Conversations, projects and local models are kept.

Uninstalled app leftovers

Files left behind by apps that are no longer on this Mac, so they don't sit on your disk for years.

System Data

Diagnostic reports, system logs and Simulator system caches. These need your Mac password, which Disklumo asks for each time.

Your disk in one bar

One bar shows what stays, what you selected to clean and what's free, and it updates as you tick items.

How it works

Three steps, no surprises.

1
Scan
Press Scan your Mac. Scanning only reads, so nothing on your Mac changes.
2
Review
Open any category to see each item with its size and path. Quick Look it, reveal it in Finder, or untick it. Recommended picks a safe selection for you.
3
Move to the Trash
Press Move to Trash. Items an open app is using are skipped, and Recover files puts a whole cleanup back if you change your mind.

Safe by design

You stay in control.

Scanning reads files and never changes them.
Items in use by an open app are marked In use and skipped.
Anything that changed after the scan is left where it is.
Cleaned items go to the Trash by default, and Recover files puts them back.
Keychains, Mail, Messages, Safari, iCloud and Apple's own app data are off limits.
System Data asks for your Mac password each time. No helper stays installed in the background.

FAQ

Questions.

Will clearing caches sign me out of apps?

No. Clean removes caches, which apps rebuild as they need them. Sign-ins, cookies, browsing history, chats and local AI models are kept.

Is it safe to clear caches on a Mac?

Yes, for the caches Clean lists. Apps recreate them, so the first launch after a cleanup can take a moment longer. Anything an open app is using is skipped.

What is System Data on a Mac?

System Data is space macOS can't put in another category: caches, logs, diagnostic reports, Time Machine snapshots and more. Clean lists the parts that are safe to clear, with their sizes.

Can I undo a cleanup?

Yes. Cleaned items go to the Trash by default. Recover files, at the top of the window, puts a whole cleanup back where it came from.

One window