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LighterMac
See what's inside System Data, then clear it safely
LighterMac opens the grey “System Data” bar in your Mac's storage settings and names what's inside: caches, build folders, old iPhone backups, app leftovers. Each item says what happens if it goes, and only things that rebuild themselves are ever suggested. Everything goes to the Trash first, with a list to put it back. It also uninstalls apps with their leftovers and moves rarely used files to another drive. Your files never leave your Mac.
Hi Product Hunt 👋 I'm Sahana from Cosmovex.
LighterMac started with a MacBook on our desk: 228 GB, 96% full, and System Settings could only say "System Data". The tools we tried either drew a map of coloured blocks or offered a one-click clean. None of them said what the blocks were, or what deleting them would break.
So LighterMac answers the questions we had, before you delete anything:
🔍 What is it? Every item is named, with a line on what happens if it goes: "Xcode rebuilds this on the next build", "this may be your only copy".
🛟 What could break? It only suggests things that rebuild themselves, from a list of 30 kinds of storage it knows. Photos, documents and apps are never suggested. Everything goes to the Trash first, with a list so you can put any of it back.
🔒 Does anything leave my Mac? No. No account, no analytics in the app. It makes exactly two network requests: licence activation if you buy Pro, and a daily check for a newer version.
💸 Why not CleanMyMac? No subscription. Free to scan everything and clear 2 GB; Pro is $9.99 once.
It also uninstalls apps along with what they left behind (Docker here: 2.4 GB of app, 16.1 GB elsewhere), and moves things you rarely open to another drive, leaving a link so nothing breaks.
Native Swift, 3 MB, notarised, macOS 14 or later.
What's your System Data at right now? And tell us what LighterMac gets wrong on your Mac. We'll fix it.
About LighterMac on Product Hunt
“See what's inside System Data, then clear it safely”
LighterMac was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #152 on the daily leaderboard. LighterMac opens the grey “System Data” bar in your Mac's storage settings and names what's inside: caches, build folders, old iPhone backups, app leftovers. Each item says what happens if it goes, and only things that rebuild themselves are ever suggested. Everything goes to the Trash first, with a list to put it back. It also uninstalls apps with their leftovers and moves rarely used files to another drive. Your files never leave your Mac.
On the analytics side, LighterMac competes within Mac, Productivity and Privacy — topics that collectively have 776.4k followers on Product Hunt. The dashboard above tracks how LighterMac performed against the three products that launched closest to it on the same day.
Who hunted LighterMac?
LighterMac was hunted by Sahana A S. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of LighterMac including community comment highlights and product details, visit the product overview.
Sahana A S