Smart Deep Scanner
Checks 300+ hidden macOS locations — app containers, user caches, Mail data, browser temp files, Spotlight indexes, and system logs — in a single 60-second pass.
300+ locations · ~60s scan
Version 3.0 · macOS Big Sur → Sequoia
Deep clean.
Instant speed.
Zero clutter.
Mac Cleaner 5 scans 300+ hidden macOS locations and recovers gigabytes of wasted space — in under 60 seconds. Free, local, Apple-notarised.
3,200,000Mac users cleaned
18.4 GBaverage space freed
300+scan locations
60sfull deep scan
4.9 ★App Store rating
What hides on your Mac
Your storage has a hidden problem
macOS quietly accumulates gigabytes of junk — app caches, build artifacts, forgotten downloads, and language packs for 60+ languages you've never used.
App Caches
Browser, system, and app-generated cache files
Xcode & Dev Data
DerivedData, simulator runtimes, old archives
System Logs
Crash reports, diagnostics, analytics logs
Mail Downloads
Cached attachments from Apple Mail — permanent until cleaned
Duplicate Files
Identical photos, documents, and downloads
Language Packs
Unused language files bundled with every app
What Mac Cleaner 5 does
One tool. Every layer of cleanup.
Junk File Removal
Removes app caches, system logs, and temp files that macOS regenerates automatically. Nothing critical, ever.
Duplicate Finder
Pixel-exact and perceptual hash matching finds duplicate photos, documents, and downloads — even if renamed or moved.
Xcode & Dev Cleaner
DerivedData, old simulator runtimes, and archive builds can silently eat 20–60 GB. Gone in seconds, with full preview.
Avg. saved: 24 GB
Language Pack Cleaner
Apps ship bundled with 60+ languages. Remove all but yours — saving hundreds of megabytes per app.
Mail Cache Cleaner
Apple Mail saves every attachment you ever opened to disk — permanently. Mac Cleaner 5 recovers 2–5 GB in seconds.
Privacy Report — Zero Network Activity
Every scan produces a real-time Privacy Report confirming zero network requests were made. Completely verifiable. Your file paths, sizes, and scan results stay on your Mac. No telemetry, no analytics SDK, no cloud sync — ever.
100% local · Apple Sandbox · No root required
Complete App Uninstaller
Finds and removes all leftover support files, preferences, and caches — the bytes that stay behind when you trash an app.
Performance impact
A cleaner Mac is a faster Mac
When your startup disk exceeds 85% capacity, macOS activates swap memory more aggressively, Spotlight re-indexes more often, and app launches slow noticeably. Mac Cleaner 5 restores the headroom your system needs.
- App launch times improve by up to 31% after freeing 20+ GB
- Time Machine backups run up to 2× faster with less junk to process
- macOS software updates complete without "not enough space" errors
- Spotlight search responds faster after index caches are cleared
Storage used
Before
After
App launch speed
Before
After
Free space available
Before
After
3 steps · under 2 minutes
Simpler than you'd expect
01
Download & Open
No account, no sign-up. Download the Apple-notarised app and it's ready instantly — no wizard, no admin password.
Free · 12 MB · macOS 11+
02
Scan Your Mac
One click triggers a deep scan of 300+ locations. In 45–75 seconds you see a full breakdown — category by category, gigabyte by gigabyte.
300+ locations · avg 60s
03
Review & Clean
See exactly what will be deleted before anything is removed. Select categories, deselect anything you want to keep, click Clean.
Full preview · Trash-first deletion
Privacy by design
Everything stays on your Mac. Always.
Mac Cleaner 5 is architecturally local. There is no server to send to, no account to log in to, and no analytics SDK collecting your behavior. Your file paths, sizes, and scan results are yours alone.
Zero network requests during scan — verified by the built-in Privacy Report
Apple-notarised on every release — cryptographically verified by Apple
No root or admin access needed — runs inside your user account only
macOS App Sandbox enforced — system files are physically inaccessible
Universal binary — M1 through M4 native — one download, any Mac
31,000+ verified reviews
Trusted by 3.2 million Mac users
★★★★★
"Found 24 GB of Xcode caches I had no idea existed. Scan took 58 seconds. Genuinely impressed — this is the cleaner I've been looking for."
★★★★★
"Finally a cleaner that feels trustworthy. Local-only, no account, instant results. Freed 19 GB in under 2 minutes."
★★★★★
"MacBook Pro went from 2 GB free to 54 GB. I'd been getting update errors for months — gone immediately after the first clean."
★★★★★
"The duplicate photo finder alone is worth it. Found 847 exact duplicates across my library — that's 6 GB back in two clicks."
★★★★★
"3 years of Xcode derived data freed 38 GB on my first scan. My M2 Pro runs noticeably cooler and quicker now."
★★★★★
"Super clean UI. Tells you exactly what it's deleting and why. No dark patterns, no aggressive upsell. Genuinely rare these days."
System compatibility
Built for every modern Mac
MacBook Air
M1, M2, M3, M4 and Intel
MacBook Pro
M1–M4 Pro/Max and Intel, all sizes
Mac mini
M1, M2, M4 and Intel Core i5/i7
iMac
M1, M3, M4 24" and Intel 21.5"/27"
Mac Pro
M2 Ultra tower and Intel 2019
macOS 11–15
Big Sur · Monterey · Ventura · Sonoma · Sequoia
// The developer's guide · 2026
Mac Cleaner for developers: free up the gigabytes Xcode hides
Developer Macs fill up faster than any other kind. A single Xcode clean build adds 4 GB to DerivedData. An iOS simulator runtime is 12 GB. Docker overlay layers, npm global packages, Homebrew bottles, JetBrains caches, Android SDK build outputs, pip wheels — together they consume 60-120 GB of an engineer's SSD without ever surfacing in Finder. Mac Cleaner is the best free mac cleaner built around exactly those locations, with an AI advisor that knows which of them are safely reclaimable mid-sprint and which are loaded by a running process.
This guide covers the dev-workstation reality: which directories actually balloon, why every other cleaner for mac misses them, how the integrated mac clean up scan finds 30+ GB on a normal dev box without breaking active builds, and why the app cleaner mac module matters when you uninstall an Adobe CC tool that left 8 GB of residual data behind.
Quick answer: Mac Cleaner is mac cleaner free — every feature including the AI advisor is in the free download. Engineering edge cases (Xcode, Docker, npm, JetBrains, simulators) are first-class targets, not afterthoughts.
What it does on a dev box
What a power-user mac cleaner actually does
A power-user mac cleaner is a diagnostics utility that maps every cache, build artifact, residual app file and orphaned launch agent on an engineering Mac — then offers a controlled cleanup with the AI advisor steering which categories to clear in the current sprint. On a Mac in daily use for a year with active iOS + web stacks, a typical scan surfaces 30-90 GB of recoverable storage: Xcode DerivedData, simulator runtimes for iOS versions you no longer ship, Docker images for projects ended six months ago, npm cache after a cross-version downgrade, JetBrains cache for IntelliJ projects you stopped working on.
The same engine doubles as a memory cleaner mac module that monitors RAM pressure while you have eight Chrome windows, three Xcode previews and a hot Docker compose stack open. Treat the utility as a daily mac performance optimizer for engineering workloads — the best app cleaner for mac is the one running quietly in the background, not the one you only reach for when the SSD is at 99%.
Three engineering pillars
Every layer of clean my mac coverage for devs
The app cleaner mac modules that matter most on an engineering box — every one in the free build.
Build-cache and SDK cleanup
Xcode DerivedData and Archives, iOS Simulator runtimes by version, Android SDK build outputs, Gradle cache, Docker overlay layers, npm global cache, pip wheels — surfaced with active-project awareness so a current build does not get nuked.
App cleaner macbook for dev tools
Uninstalled JetBrains IDE leaves 1.5 GB of plugin caches; an Adobe CC tool leaves 8 GB across Library subdirs; an old electron-based desktop app leaves a 600 MB sandbox. The app cleaner for mac removes the bundle and every residual file, fully reversible from Trash.
Privacy & startup-item audit
Browser history, autofill, dev-tool session tokens, ssh known_hosts cleanup. Plus startup-item review that catches launch agents installed by uninstalled dev tools — common cause of phantom CPU usage on long-running dev boxes.
All three modules in the free build. Mac Cleaner contains every feature of paid cleaners — including the AI advisor — at zero cost. No upsell prompts, no feature paywall.
On-device AI · dev-aware
AI advisor that knows how to clean my mac for engineers
The Mac Cleaner AI assistant is what makes this the best software cleaner for mac for engineering workloads. Instead of asking you to pick categories, it reads which apps actually grew which folders since last week — Xcode, Docker, IntelliJ — and produces a context-aware plan. If you have a sprint deadline, the advisor defers DerivedData wipe until after the next build; if you have not opened Android Studio for 60 days, it suggests reclaiming the 22 GB its caches are holding.
The AI runs entirely on-device — no source paths, no project names, no usage data ever leaves your Mac. For engineers handling client code under NDA, the local-only model is the only acceptable design. This is the best app cleaner for mac for users who want a true mac system cleaner with security-grade telemetry policy.
Free vs paid for engineers
Best free mac cleaners for engineering workloads
Mac Cleaner is among the best free mac cleaners specifically because it handles dev-only directories that consumer cleaners ignore. Paid cleaners charge $40/yr to do the same job; this clean my mac free download covers every engineering edge case at zero cost.
The four categories every developer needs an app cleaner mac to handle — and how Mac Cleaner stacks against the alternatives in the engineering scenario.
vs CleanMyMac X
Same Xcode/Docker coverage, $0 vs $40/yr
Identical engineering-cache scanning. Mac Cleaner adds the AI advisor for free; CleanMyMac wraps the same logic in a subscription.
vs CCleaner Pro
Better dev-tool residual sweep
CCleaner Mac is a port of the Windows tool — misses macOS-specific dev caches. Mac Cleaner ships native scanning for Xcode, Docker, JetBrains and Homebrew out of the box.
vs DaisyDisk
Cleans, doesn't just visualise
DaisyDisk shows you where the bytes are. Mac Cleaner finds them, classifies them safely, and reclaims them — with reversibility from Trash.
- Junk & cache cleanup — scans 300+ macOS locations including all dev-tool subdirs
- App uninstaller — removes JetBrains plugin caches, Adobe residual data, Electron sandboxes
- Memory cleaner mac — frees inactive RAM under high pressure (Xcode + Chrome + Docker scenario)
- Privacy cleaner — clears dev-tool session tokens, browser autofill, recent project lists
10 minutes, one time
How to clean up my mac dev box in three steps
The how to clean my mac dev-box workflow takes ten minutes the first time and 60 seconds weekly thereafter. Single fastest path to a clean mac on an engineering rig.
Download Mac Cleaner free
Drag to Applications. ~12 MB, notarised, universal binary for M1 through M4.
Run Deep Scan with project awareness
Mac Cleaner reads your active Xcode project list and recent Docker containers before scanning. Most engineering Macs surface 30-90 GB of reclaimable space on first run.
Apply AI advisor's plan
Review the sprint-aware recommendations, deselect anything mid-build, click Clean. Items go to Trash with a recovery window — nothing permanent until you empty.
After the first scan, schedule a weekly Quick Scan. For users searching how to clean up my mac dev workstation, the disk monitor surfaces a notification only when growth justifies opening the app — typical pattern: Xcode build cycle on Monday triggers a Tuesday-morning prompt.
Why dev Macs need cleaning
Why a macbook cleaner matters more on a dev box
Apple Silicon SSDs are soldered. A Mac dev box with 90% disk utilisation runs measurably slower under heavy compile loads — Xcode incremental builds slow, Docker layer creation crawls, swap thrash spikes during big rebuilds. The fix is preventative, not reactive: keep 30% headroom by running Mac Cleaner weekly.
A clogged SSD costs engineering time
Apps that depend on free disk space — Xcode, Docker, IntelliJ, video preview tools — start failing in subtle ways: previews stop loading, builds stall mid-link, scratch operations write to slow swap. Fix the disk first, then chase the bug.
Mac Cleaner is the answer — the best cleaner for mac, the best mac cleaner for dev workloads, and a free mac cleaner software that ships every paid-cleaner feature in a clean my mac free package: AI advisor, full app uninstaller, memory monitor, privacy wipe, startup manager, dev-tool cache scanner. Run it for one month and the difference shows up in build times, app launch speed and SSD headroom — measured by the built-in diagnostics monitor, not promised by marketing.
Common questions
Everything you need to know
Yes. Junk removal, app cache cleaning, system log clearing, and language pack removal are completely free with no time limit. Optional Pro features — Smart Duplicate Finder and App Uninstaller — are available as an upgrade. The free version typically recovers most of the available space on its own.
Yes. Mac Cleaner 5 only targets files that macOS regenerates automatically — app caches, system logs, temp files, language packs, and Xcode build data. Your documents, photos, music, and app settings are never touched. Every scan shows exactly what will be removed before a single byte is deleted.
Never. Mac Cleaner 5 is 100% local — zero network requests occur during scanning or cleaning. The built-in Privacy Report confirms this in real time. No account is required. Your file paths, sizes, and results never leave your Mac.
Mac Cleaner 5 supports macOS Big Sur (11) through Sequoia (15) on both Intel and Apple Silicon (M1 through M4) Macs. It ships as a universal binary — a single download runs natively on all supported chips without Rosetta.
A full deep scan across 300+ macOS locations typically takes 45–75 seconds depending on your Mac's storage type and total capacity. Apple Silicon Macs with NVMe storage usually complete the scan in under 50 seconds.
Mac Cleaner 5 moves files to the Trash rather than permanently deleting them, giving you a recovery window after every clean. You can review each item in Trash and restore anything before emptying. Permanent deletion only happens when you manually empty the Trash.
Free · No account · Apple-notarised
Give your Mac room to breathe.
Join 3.2 million Mac users who reclaimed their storage. Average result: 18.4 GB freed in under 2 minutes.
Download Mac Cleaner 5 — FreeApple-notarised
No login required
Free core features
12 MB · Fast install
macOS Big Sur 11 and later · Intel & Apple Silicon M1–M4 · Universal Binary