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WizTreeTreeSize Free
Freemium

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

 Freemium

TreeSize Free is free for private and commercial use. TreeSize Personal, Professional and…

Windows Windows
  • 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
  • Reads the NTFS master file table, so scans finish quickly
  • Folder tree sorted by size, updating while it scans
  • Closed source
  • The MFT trick only applies to NTFS; other file systems fall back to a normal scan
  • Windows only and closed source
  • Duplicate search, reports and exports need a paid edition
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 September 20, 2026

Checked September 21, 2026

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