What is the best disk cleanup & analyzer tool right now?

CCleaner leads this list — we have mapped more alternatives to it than to anything else here — it is best for windows or mac users who want to reclaim disk space, clear browser/app junk, and keep device drivers updated without manually hunting for updates. DaisyDisk is the strongest runner-up.

Which disk cleanup & analyzers are free?

7 of the 7 tools here have a usable free tier or are fully free: CCleaner, DaisyDisk, CleanMyMac, TreeSize, WinDirStat and 2 more.

Are there open-source disk cleanup & analyzers?

Yes — WinDirStat, BleachBit are open source.

7 Best Disk cleanup & analyzers tools in 2026

Disk cleanup and analyzer tools show what is filling a drive and delete junk files, caches, and app leftovers, used by Windows, Mac, and Linux users.

Top disk cleanup & analyzers

Ranked by alternatives mapped, then most recently verified

CCleaner
Best for Windows or Mac users who want to reclaim disk space, clear browser/app junk, and keep device drivers updated without manually hunting for updates
Disk cleanup & analyzersFreemium
Windows · macOS · Android · iOS
Free tier · paid from $44.95/yr
6 alternatives
DaisyDisk
Best for Mac users who need to visually locate large files and free up storage on an internal or external drive without manually browsing folders
Disk cleanup & analyzersPaid
macOS · iOS
Pricing not verified
6 alternatives
CleanMyMac
Best for Mac owners who want a single app to clear system junk, remove malware, and speed up performance without manually navigating Terminal or system folders.
Disk cleanup & analyzersFreemium
macOS
Free tier · paid from $9.95/mo
5 alternatives
TreeSize
Best for Auditing which folders, file types and owners fill Windows file servers and network shares, with scheduled scans and exported storage reports
Disk cleanup & analyzersFreemium
Windows
Free tier · paid from $25.20/yr
5 alternatives
WinDirStat
Best for Finding which folders and files are filling a Windows drive or file server before deciding what to delete, archive or compress
Disk cleanup & analyzersOpen source
Windows
Free
5 alternatives
WizTree
Best for Windows and macOS users who need to quickly find and clear large files or folders eating up local disk space, especially on NTFS drives.
Disk cleanup & analyzersFreemium
Windows · macOS
Free tier · paid from $25 one-time
5 alternatives
BleachBit
Best for Freeing space and wiping browser and application traces on Windows and Linux machines with a free cleaner that previews every file before deleting it
Disk cleanup & analyzersOpen source
Windows · Linux
Free
4 alternatives

Find alternatives to a specific tool

Alternatives to CCleaner6 Alternatives to DaisyDisk6 Alternatives to CleanMyMac5 Alternatives to TreeSize5 Alternatives to WinDirStat5 Alternatives to WizTree5 Alternatives to BleachBit4

Frequently asked questions

What is the best disk cleanup & analyzer tool right now?: CCleaner leads this list — we have mapped more alternatives to it than to anything else here — it is best for windows or mac users who want to reclaim disk space, clear browser/app junk, and keep device drivers updated without manually hunting for updates. DaisyDisk is the strongest runner-up.
Which disk cleanup & analyzers are free?: 7 of the 7 tools here have a usable free tier or are fully free: CCleaner, DaisyDisk, CleanMyMac, TreeSize, WinDirStat and 2 more.
Are there open-source disk cleanup & analyzers?: Yes — WinDirStat, BleachBit are open source.