MEGA doesn't give you much help finding duplicates on its own - it only catches an exact filename match during upload, and nothing else. If your MEGA storage keeps creeping toward full even though you haven't added that much new data, duplicates scattered across folders are almost always the reason.
This guide walks through exactly how to find and remove them using DT MEGA Duplicate Finder - from connecting your account to safely removing what it finds. No full account sync, no files leaving your control.
Step 1: Connect Your MEGA Account
Open DT Cloud Duplicate File Finder and select Mega from the Locations panel on the left. Authentication runs through MEGA's own standard login - the same screen you'd use to sign into MEGA directly. Your password is never typed into the app itself and never touches Data TB's servers.
Once connected, your account stays available in the Locations panel - so if you're also cleaning up Google Drive, Dropbox, or any of the other 12+ supported clouds, everything sits in one dashboard instead of needing a separate tool per provider.
Step 2: Browse and Select What to Scan
After connecting, you'll see your actual MEGA folder structure - not just a blind full-account scan. Browse into the folders you suspect are holding duplicates, or select everything if you want a complete check.
This is useful specifically for MEGA accounts, since a lot of duplication tends to sit in predictable spots - a Camera Uploads folder after a mobile app reset, or a manually created "Backup" folder someone made just in case.
Step 3: Choose Fast Scan or Deep Scan
Pick the scan depth based on what you're checking for:
- Fast Scan - matches by file name and size. Quick, and catches the case MEGA's own check partially covers, plus duplicates sitting in different folders (which MEGA never checks for at all).
- Deep Scan - matches by file content hash. This is the one that catches a file re-uploaded under a different name, which is common with MEGA since encryption gives people confidence to keep manually re-organizing and re-saving files as personal archives.
Step 4: Review Every Match Before Anything Is Removed
Nothing gets deleted automatically. Every matched pair shows up with its full file path, size, and last modified date, with one copy pre-marked "Original" and the rest checked for removal.
Before confirming, you can:
- Uncheck anything you actually want to keep, even if it was pre-selected for removal
- Filter results by file type
- See the exact count of what's about to be removed, updating live as you check and uncheck items
Step 5: Remove and Recover the Space
Once you confirm, removed files go straight to MEGA's own Rubbish Bin - not permanently deleted on the spot. MEGA retains items there for 30 days by default, so a file removed by mistake is still recoverable directly from MEGA's own interface.
Every scan and every removal is logged, so you have a clear record of exactly what was found and what was cleared out.
Why This Beats a Full MEGA Sync
The common advice for finding MEGA duplicates is to sync your entire account to your computer first, then run a generic desktop duplicate finder on the synced folder. That only works if you have free local disk space equal to your entire MEGA account - and for anyone storing hundreds of gigabytes, that's not realistic.
Scanning through MEGA's account structure directly skips that step entirely. There's no full local copy created just to check for duplicates, and no waiting on a multi-hour sync before you can even start reviewing results.
FAQ: MEGA Duplicate File Finder
Is it safe to connect my MEGA account to this tool? Yes. The app connects through MEGA's own standard authentication - the same login you'd use directly on MEGA. Passwords are never entered into the app and never touch Data TB's servers.
Do I need to sync my whole MEGA account to my computer first? No. The scan works against your account's file structure directly, without requiring a full local sync or the disk space that would take.
What's the difference between Fast Scan and Deep Scan for MEGA? Fast Scan matches by name and size - quick, but can miss a file that's been renamed. Deep Scan matches by content hash, catching renamed duplicates regardless of filename.
Will it delete files permanently right away? No. Removed files go to MEGA's Rubbish Bin first, where MEGA keeps them recoverable for 30 days by default before permanent deletion.
Can I scan just one MEGA folder instead of the whole account? Yes. You can browse and select specific folders - like Camera Uploads or a single project folder - instead of scanning everything at once.