Compare software

Folder SizeWizTree
Freemium

Free to use, with a paid registered edition available.

 Freemium

Free for personal use. Commercial use, or removing the Donate button, requires a paid…

Windows Windows
  • Bar and pie charts of disk usage
  • Works on network shares and NAS devices
  • Reads the NTFS master file table, so scans finish in seconds rather than minutes
  • Treemap view of the whole drive alongside a sorted file and folder list
  • Windows only
  • Some functions tied to the paid registered edition
  • Closed source
  • The MFT trick only applies to NTFS; other file systems fall back to a normal scan
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
No account needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.