MacSweep
v3.1  ·  macOS 12–15  ·  Intel & Apple Silicon

MacSweep — Free Mac Cleaner
built for developers

The best free mac cleaner with a built-in AI assistant that studies your usage patterns
and recommends the optimal clean-up — hidden caches, language packs and startup bloat gone in 60 seconds.

Download Free See what it cleans
500K+ Macs cleaned
3.2 GB avg freed per scan
4.9 ★ user rating

MacSweep is

MORE THAN
AN APP.

It's the first Mac cleaner built around a single principle: you should always know exactly what's being deleted and why.

Safety first

WE SHOW.
YOU DECIDE.

Every scan generates a preview. Nothing is removed without your explicit confirmation. Every single time.

Speed & power

DEEP CLEAN.
60 SECONDS.

Our scanner reaches system caches, Xcode data, Docker layers, and browser leftovers that manual cleaning never finds.

For everyone

BUILT FOR
THOSE WHO
AIM HIGHER.

From grandma's MacBook to a developer's M4 Pro with 47 Docker containers — MacSweep handles it all without blinking.

Let's go

START YOUR
FIRST SCAN.

It takes 60 seconds. It's free. And Chip will be right there with you.

Download Free

What MacSweep does

SIX TOOLS.
ONE APP.

Everything your Mac accumulates over time — gone in one scan. Each module targets a different category of waste so nothing slips through.

01

Junk File Cleaner

Removes system caches, log files, temp files, and app leftovers that silently pile up over months.

~2.1 GB avg found per Mac
02

Duplicate Finder

Scans photos, videos, and documents for exact copies. Keeps the best version, removes the rest.

4 000+ duplicates found on avg
03

Large File Hunter

Surfaces forgotten disk hogs — old iPhone backups, Xcode simulators, giant video exports — sorted by size.

Top 10 files shown instantly
04

App Uninstaller

Deletes apps and every hidden support file, cache, and preference they leave behind. Nothing stays.

100% complete removal guaranteed
05

Privacy Cleaner

Wipes browser history, download records, app traces, recent files lists, and saved passwords caches.

Zero trace left behind
06

Startup Optimizer

Detects and disables hidden launch agents that add seconds to your boot time, every single day.

−40 sec faster boot on avg

Who uses MacSweep

BUILT FOR
EVERY MAC USER.

Everyday users

More space.
Faster Mac.
Less stress.

  • Free up gigabytes with a single click
  • No technical knowledge required
  • Clear results, plain explanation
  • Safe — shows everything before deleting
  • Works on any Mac, any age
Download Free
Power users & devs

Deep clean.
Full control.
Zero noise.

  • Clear Xcode, Docker, and simulator caches
  • Manage launch agents and startup items
  • Scheduled automatic scans
  • Detailed per-module breakdown
  • Multi-user profile support
Get Pro

Why MacSweep

A CLEANER WITHOUT
THE FLUFF.

Safe by default

Every scan shows you what will be removed before you confirm. We never delete anything without approval.

Under 60 seconds

A full scan and clean completes in under a minute. No waiting, no progress bars that lie.

No account needed

Download and run. No sign-up, no email, no cloud. Your files never leave your Mac. Ever.

Lightweight & native

8 MB install. Runs natively on Apple Silicon. No background processes eating RAM when idle.

Estimate your cleanup

HOW MUCH
ARE YOU HOARDING?

Tell us about your Mac and we'll estimate how much space MacSweep can recover for you.

Estimated recoverable space

—

gigabytes

Junk & caches —
Duplicates —
Large forgotten files —

Run MacSweep for the exact result. Takes 60 seconds.

Clean it now

Developer Cache Sweep

XCODE, NPM, DOCKER.
THREE CACHE LAYERS
MOST CLEANERS MISS.

Developer Macs accumulate junk at a rate non-developer machines never reach. A single Xcode clean build adds gigabytes of DerivedData. A Docker image pull stacks overlay layers that persist indefinitely. An npm global install grows the package cache by hundreds of megabytes. MacSweep is a mac cleaner built around developer workloads — it understands Xcode's build system, reads npm and yarn cache structures, maps Docker's overlay filesystem, and sweeps all three in a single scan without breaking your active development environment. Whether you need a focused cache cleaner mac module or a complete disk cleaner mac that maps every storage location, MacSweep covers both in a single scan.

01 · Xcode

Xcode DerivedData, simulators and archives

Xcode's DerivedData folder is the largest single cache on most developer Macs. Every build — clean or incremental — adds compiled modules, intermediate object files, LLVM bitcode and precompiled header caches to DerivedData. On an active Swift project with multiple targets, a single full build can add 2-4 GB. After a year of development across multiple projects, DerivedData commonly reaches 20-40 GB. MacSweep reads the Xcode project list to identify which DerivedData entries belong to active projects (protected) and which belong to archived, deleted or renamed projects (safe to remove). Simulator runtimes for deprecated iOS and tvOS versions add another 4-8 GB each. Archives directory holds completed builds submitted to App Store Connect — often gigabytes of binaries no longer needed for active development. MacSweep surfaces all three and lets you choose what to keep.

02 · Docker

Docker image layers, build cache and volumes

Docker Desktop for Mac stores image layers, build cache, and unused volumes in ~/Library/Containers/com.docker.docker. This directory grows monotonically — Docker does not aggressively prune layers even when the images that use them are removed. A developer who has been pulling images and building locally for six months often accumulates 15-30 GB of Docker storage that could be safely reclaimed. MacSweep identifies dangling images (layers not referenced by any named image), unused build cache entries, and stopped containers, and calculates the recoverable space before running any Docker prune commands. The scan runs through the Docker socket — it does not modify the filesystem directly, ensuring Docker's own data integrity mechanisms remain in control. This makes MacSweep's Docker cleanup safe even on production CI runners where a direct filesystem wipe would be dangerous.

03 · npm / yarn

npm global cache, yarn berry and pip caches

npm maintains a global package cache in ~/.npm that stores every package version ever downloaded, including multiple versions of the same package and packages from projects long deleted from your machine. After a year of active Node development the cache commonly reaches 3-8 GB. Yarn's global cache (both Yarn 1 in ~/.yarn and Yarn Berry in ~/.yarn/berry/cache) adds similar volumes. MacSweep identifies npm cache entries that have not been requested in 90 days and yarn cache entries that correspond to packages not referenced in any currently-installed project. Python's pip cache in ~/Library/Caches/pip grows similarly — downloaded wheel files for packages installed months ago accumulate without being cleaned. MacSweep covers npm, yarn, pip and Homebrew's download cache in a single developer-cache sweep pass, identifying exactly how much each one is consuming before offering the cleanup option.

This developer-cache coverage is the primary reason MacSweep is positioned as a mac cleaner for developers rather than a general-purpose utility. A standard mac clean up tool reads ~/Library/Caches and misses every package manager cache because those live in different, non-standard locations. MacSweep knows where each package manager writes its cache because the scanner ships a manifest that maps them explicitly — updated quarterly to track npm, yarn, pip, gem and cargo cache path changes across their respective versions.

04 · Homebrew

Homebrew download cache and old formula versions

Homebrew stores every downloaded package in ~/Library/Caches/Homebrew before installing it, and keeps the download cached after installation. When a formula is upgraded, the old version's download stays in the cache alongside the new one. On a Mac used as a development workstation for two or more years, the Homebrew cache commonly reaches 2-5 GB. Old versions of formulae you no longer use are also retained in /usr/local/Cellar or /opt/homebrew/Cellar alongside the current version. MacSweep runs the equivalent of brew cleanup — removing old formula downloads and stale cache entries — and surfaces the safe-to-remove list before executing any deletion. For a mac cleaner that wants to be trusted by developers who understand what they are running, showing the exact command and the exact files before executing is the only acceptable approach.

Developer cleanup pipeline

SAFE DEVELOPER CACHE CLEANUP
WITHOUT BREAKING ACTIVE BUILDS.

  1. 01 Read active project list
  2. 02 Map cache to project
  3. 03 Flag inactive caches
  4. 04 Clean safely

The developer cache cleanup pipeline in MacSweep is designed around one constraint: do not break an active build. Before flagging any Xcode DerivedData for removal, the scanner reads the Xcode recent projects list and the build server configuration (if present) to determine which projects have been opened in the last 60 days. DerivedData entries for recently-active projects are protected by default. Only inactive project caches are surfaced as removal candidates — with a toggle to override for expert users who know they have completed a project and want a full clean. The same logic applies to Docker: MacSweep queries the running Docker daemon for currently active containers and images before calculating what is safe to remove. A container that is running or a volume that is mounted is never included in the removal list. This project-aware approach is what makes a mac cleaner trustworthy for developer workflows — and what separates MacSweep from a generic mac clean up utility that does not understand build system state. This is the engineering behind a credible promise to remove junk files mac users have accumulated over years of normal use.

The pipeline also covers the less-discussed developer cache sources: JetBrains IDE caches in ~/Library/Caches/JetBrains, VS Code extension host caches, and the Kotlin and Gradle build caches for Android development on Mac. Each has a slightly different cache structure and lifecycle; MacSweep maps all of them in its developer manifest. The result is a single scan that tells you how much recoverable space each tool's cache is using, with a breakdown by tool, so you can make informed decisions about which caches to preserve and which to purge. For a developer who has been looking for how to clean up my mac without spending an hour reading Stack Overflow threads about where each tool hides its cache, this is the direct answer.

What generic cleaners miss on developer Macs

The developer cache gap in standard mac cleaners

A standard best mac cleaner that reads ~/Library/Caches captures browser caches, app icon caches and Safari data. This is the right approach for a general-purpose Mac user. For a developer, it is missing the point. The 40 GB of DerivedData in ~/Library/Developer, the 20 GB of Docker overlay layers in ~/Library/Containers/com.docker.docker, and the 6 GB of npm downloads in ~/.npm are not in ~/Library/Caches. They will not appear in a standard junk scan. The average developer Mac has 4-5× more recoverable cache data outside ~/Library/Caches than inside it — which means a standard mac clean up recovers 2-4 GB when the real opportunity is 20-50 GB. MacSweep exists because the best free mac cleaner for a developer is one that knows where developer tools actually write their caches.

The startup manager adds a developer-specific dimension: build servers, test runners and local development servers (Postgres, Redis, nginx) are often configured as launch agents that start at login. These consume both CPU and RAM before you open a project. MacSweep's startup manager identifies each agent, measures its resource cost, and lets you disable the ones you only need during active development sessions — converting a launch agent to a manually-started process with a single click.

What MacSweep finds on developer Macs

Average developer Mac cache scan results

Across developer Mac scans in the MacSweep dataset, the average amounts found per category are: Xcode DerivedData — 18.4 GB; Docker layers and build cache — 12.1 GB; npm/yarn/pip cache — 5.2 GB; Homebrew cache — 2.8 GB; JetBrains/VS Code caches — 1.6 GB; simulator runtimes — 7.3 GB. Total average on a developer Mac used for one year: 47 GB of recoverable cache. Of that, MacSweep's conservative scan (active projects protected) typically surfaces 28-32 GB as safely removable on a first run. A developer Mac that has never had its caches cleaned is running with a 28-47 GB penalty — a significant fraction of even a 512 GB SSD. Running MacSweep once and scheduling monthly developer cache sweeps keeps this penalty under 5 GB at any given time.

Developer AI advisor

BUILD-AWARE CLEANUP
THAT PROTECTS ACTIVE PROJECTS.

MacSweep · Developer Cache Advisor
>_ advisor.analyze --scope=xcode,docker,npm,homebrew
You My Macbook has 12 GB free. I need more space for a new project.
MacSweep AI Found 31.4 GB safe to remove: DerivedData (inactive projects) 18.2 GB · Docker dangling layers 8.9 GB · npm cache (90+ days) 3.1 GB · Homebrew 1.2 GB. Active projects protected. Recommend purge in that order — frees 31 GB, takes 45 seconds.

The AI advisor in MacSweep is specifically calibrated for developer workloads. It reads the active Xcode project list, the Docker daemon state, the npm project registry and the Homebrew formula database before generating its recommendations. When you ask for a cleanup before starting a new project, the advisor calculates exactly how much can be recovered from inactive caches without touching anything your current builds depend on. The output is a ranked list: which tool's cache to clean first (highest bytes, lowest risk), which to skip (active dependency detected), and the estimated time to free the space. This is the developer-facing answer to how to clean up my mac before a new project — not a generic "delete caches" instruction, but a build-aware plan generated from your specific tool state.

The advisor also handles the cross-tool dependency problem that manual cleanup always risks: an npm package that is cached locally may be listed as a dependency in a Cargo.toml or requirements.txt you have not noticed. MacSweep cross-references the npm cache against all package manifest files it finds in your home directory before flagging a cache entry for removal. This prevents the situation where cleaning the npm cache breaks a project that depends on a locally-cached package not available on the registry at the current version. It is the kind of safety net that makes a mac cleaner suitable for daily use on a developer machine, not just as an emergency disk space recovery tool.

Developer cache cleanup: the ROI case

A capable mac system cleaner and mac performance optimizer should reclaim space measured in gigabytes, not megabytes. A developer Mac that has been running for a year without cache cleanup carries a median 47 GB of recoverable developer cache — Xcode, Docker, npm, Homebrew and JetBrains combined. That is often 15-20% of a 256 GB SSD dedicated to files the build system will regenerate automatically. Recovering it takes under a minute with the right tool. The ROI is immediate: disk pressure drops, build indexing speeds up as macOS gets room to breathe, and the next Docker pull does not fail because the overlay store hit its disk limit. MacSweep is the right tool for this — a mac cleaner that understands developer cache structures, not just browser history and app logs.

— MacSweep developer cache analysis · 2026

How MacSweep stacks up

FREE MAC CLEANER
VS. THE PAID PACK.

An honest side-by-side of the best mac cleaner options on the market. We are the free pick — but where a competitor wins, we say so. No marketing spin.

Feature MacSweep
free		 CleanMyMac X
$39.95/yr		 CCleaner for Mac
$29.95/yr		 Onyx
free utility
Deep junk sweep (Xcode, Mail, Photos) Full Partial No No
System cache cleanup across macOS 12–15 Yes Yes Basic Yes
App uninstaller with residual scan Yes Yes Basic No
Duplicate finder Yes Yes Yes No
Startup manager Yes Yes No Manual
Memory monitor Live Live No No
RAM optimizer Yes Yes No No
Privacy wipe (history, cookies, sessions) Yes Yes Yes Basic
AI advisor for cleanup strategy Yes Assistant No No
Scheduled auto-clean No (manual) Yes (Pro) Yes (Pro) No
Works offline, no account Yes Account Account Yes
Price Free $39.95 / yr $29.95 / yr Free

Where we win

Across deep sweep coverage, MacSweep reaches more hidden cache surfaces than any paid competitor — Xcode derived data, Mail attachment stores, Photos preview trees and unused language packs all in one pass.

Where we lose

No scheduled auto-clean on the free tier. CleanMyMac X bundles a scheduler with its Pro subscription. If hands-off automation is the only thing you need, that is the honest tradeoff for the price difference.

Bottom line

For best free mac cleaners in 2026, MacSweep is the most complete app cleaner for macbook on the list: every paid feature, zero subscription, offline by default, and an AI assistant that recommends a personalised clean.

Behind MacSweep

MEET THE
CREW.

A

Alex Kim

Founder & Lead Engineer

10 years building macOS tools. Started MacSweep when his own Mac hit 2 GB free and couldn't find a cleaner he trusted.

M

Maria Chen

Head of Design

Designed Scrubby. Believes utility software doesn't have to be ugly. Keeps every screen brutally simple.

D

Dan Volkov

macOS Systems Engineer

Former Apple intern. Knows where every byte of disk junk hides. Wrote the scanner engine from scratch — no third-party libraries.

S

Sofia Park

Head of Support

Answers every ticket personally. If something confuses a user, she flags it for the dev team the same day. Zero backlog since 2023.

R

Ryo Tanaka

QA & Security

Tests every build on 14 Mac configurations before release. Nothing ships without his sign-off.

Got questions

FAQ.

Is MacSweep actually free?

Yes. Junk cleaning, privacy wipe, and startup manager are 100% free with no time limit. Pro adds scheduled auto-scanning and the duplicate finder. No trial, no upsell pop-ups.

Is it safe? Will it delete files I need?

MacSweep only targets files confirmed safe to delete: system caches, temp files, app leftovers. It never touches your documents or photos. Every scan shows a preview before removing anything.

Which macOS versions are supported?

macOS Monterey (12), Ventura (13), Sonoma (14), and Sequoia (15). Runs natively on Intel and Apple Silicon (M1 through M4).

Does it slow my Mac while scanning?

No. The scanner runs at low priority and uses under 5% CPU. You can keep working during a scan — most users don't even notice it's running.

Does MacSweep collect or upload my data?

Never. MacSweep has no cloud component. Scan results stay on your Mac. We collect no personal data, file names, or usage stats. The app works completely offline.

How often should I run it?

Once a month works for most people. Developers and video editors benefit from weekly quick scans. Pro users can schedule automatic scans at any interval.

Download MacSweep

YOUR MAC CALLED.
IT NEEDS A CLEAN.

Free download. No account. No subscription trap.
Just a faster Mac in 60 seconds.

Download for Mac — Free

macOS 12+  ·  Intel & Apple Silicon  ·  8.4 MB