Short, focused walk-throughs — each one solves a single task in Dupe, so you can land on a question and leave with an answer.
The Photos app Duplicates album is handy, but it has real limits. Here's what it finds, what it doesn't, and how to fill the gaps.
Dragging an app to the Trash doesn't remove all its data. Here's where the leftovers live and how to clean them.
Most paid cleaner apps do things macOS already does. Here's a free, manual workflow that's just as effective.
Skip the SEO bait and the sketchy cleaner apps. Here's what actually works to reclaim disk space on a Mac.
If your photos are spread across half a dozen folders, here's how to merge them without ending up with thousands of duplicates.
The Downloads folder is full of disposable installers but also actual important files. Here's how to clear it safely.
Deleting duplicates manually is risky. Here's the safe workflow, and the faster automated path.
Find and remove duplicate music files cluttering your Mac, whether they're in your Music library or scattered in Finder.
Word docs, Pages files, text notes, and exported reports all duplicate over time. Here's a safe way to find the copies.
Finder folder merges can quietly create duplicates. Here's how to find and remove them safely.
A partial Time Machine restore can leave you with two copies of every file. Here's how to clean up safely.
Dropbox folders accumulate conflicted copies and duplicates from years of syncing. Here's how to clean them up safely.
Google Drive for Mac syncs files to your disk where they can pile up as duplicates. Here's how to find them.
iCloud Drive duplicates eat into your iCloud plan. Here's a safe way to find them without breaking the sync.
Migration Assistant can leave you with two of everything if your new Mac already had files. Here's how to clean up.
Time Machine snapshots aren't real duplicates, but the originals it backs up can be. Here's how to clean before, not after.
Sometimes the whole folder is duplicated. Here's how to find folder-level duplicates safely.
PDFs pile up in Downloads, Documents, and email attachments. Here's how to find exact duplicate PDFs without trusting filenames.
iPhone renames, AirDrop suffixes, and manual renames make filename-based dedupe useless. Here's the fix.
Old iPhone backups dump thousands of photos into your Pictures folder over the years. Here's how to find and remove the duplicates safely.
Screenshots pile up on the Desktop and in Pictures. Here's a safe way to find and remove the duplicates.
Find duplicate .docx, .doc, and .pages files across your Mac, even when they have different filenames.
Years of backups onto the same external drive leave it cluttered with duplicates. Here's a safe way to reclaim space.
Your Downloads folder is probably hiding gigabytes of duplicates. Here's how to find and remove them safely.
Find and remove duplicate files on your Mac without risking your photos, documents, or system files. Two methods compared.
You can find duplicates with just Finder and Terminal. Here's how, and an honest look at why most people give up.
MP3 collections from years of downloads, rips, and library merges end up duplicated. Here's how to find them by audio bytes, not tags.
Old iPhoto libraries often left behind duplicate photos when they were migrated to Photos. Here's how to track them down safely.
Track down duplicate photos eating up your Mac storage. A safe, byte-exact method that won't risk your originals.
Clean up an external drive cluttered with duplicates. Safe, byte-exact deduplication that respects your backup data.
Three methods to find the largest files on your Mac, from a quick Finder search to a one-line Terminal command.
If you haven't opened a file in three years, you probably don't need it. Here's how to find them.
Some tools look for 'similar' files. Here's why exact-match dedupe is usually safer, and how to handle near-duplicates.
Reclaim gigabytes of Mac storage by removing duplicate files safely. Compare the native Finder method with a dedicated duplicate finder.
A blunt, in-order checklist for freeing up storage on a Mac. Start at the top, stop when you've got the space you need.
Three ways to empty the Trash on Mac, plus the case for not emptying it at all.
What's safe to dedupe, what isn't, and how to do it without breaking your system.
Use Music.app's built-in duplicate finder, then catch what it misses with a byte-level scan.
Lightroom catalogs accumulate duplicate imports over the years. Here's how to find them without breaking the catalog.
The Applications folder is where bloat hides in plain sight. Here's how to audit it and reclaim several GB.
The market for Mac cleaner apps is full of bad options. Here's how to tell the useful ones from the predatory ones.
The 'disk almost full' warning is panic-inducing. Here's what's actually safe to delete and what to leave alone.
An updated cleanup checklist for modern Macs. Skip the advice that's been wrong since 2015.
The low disk space warning is more than a nag — it can break things. Here's how to silence it permanently.
A bloated Photos library eats your disk and iCloud quota. Here's how to find the bulk and remove duplicates safely.
When your Mac is almost full, these eight spots account for nearly all the recoverable space. Check them in order.
If you clear 20 GB and it's gone again next week, something is silently generating files. Here's what.
macOS has a built-in Storage Management panel. Here's what it's actually good at and where it falls short.
The mysterious 'Other' bar in macOS storage is mostly four specific things. Here's what it is and how to shrink it.
macOS System storage can balloon to 100+ GB. Here's what's actually in there and what you can do about it.
When the Trash refuses to empty on Mac, it's almost always one of four things. Here's how to fix each.
If you deleted something important, here's how to get it back — in order from easiest to last resort.
Removed the wrong copy during a duplicate cleanup? Here's how to get it back, and why Dupe makes recovery easy.
Most file deletions on Mac aren't really permanent. Here's how to delete safely with a recovery window.
Sometimes you only want to dedupe a single folder, not your whole Mac. Here's how to do it safely.
macOS's built-in storage view is vague. Here's how to actually see what's eating your disk — folder by folder, file by file.
macOS cache files live in three main places. Here's where, what they're for, and which are safe to clear.