Best Disk Space Analyzers in 2026
Updated
104 disk space analyzers ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
104ranked
0free plans on this page
9 Oct 2026last checked
Input list Disk Space Analyzers 4 channels on this page · 7 of 32 spec lines stated by the makers
Ch Tool Free planPaid fromDesktop platformsTreemap viewApplication sizesFile-type breakdownExternal drive scansExportable reports Spec sheet Score
101 K4DirStat Free planYesPaid fromnot statedDesktop platformslinuxTreemap viewnot statedApplication sizesNoFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 3/8spec lines stated 5.6
102 KDiskFree Free planYesPaid fromnot statedDesktop platformslinuxTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 2/8spec lines stated 5.5
103 Autoruns Free planYesPaid fromnot statedDesktop platformsnot statedTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 1/8spec lines stated 5.1
104 Spacedeck Open Free planNoPaid fromnot statedDesktop platformsnot statedTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 1/8spec lines stated 5.1
Compare all 4 in a table
| # | Tool | Score | Free plan | Free plan | Paid from | Desktop platforms | Treemap view |
|---|---|---|---|---|---|---|---|
| 101 | K4DirStat | 5.6 | No | Yes | — | linux | — |
| 102 | KDiskFree | 5.5 | No | Yes | — | linux | — |
| 103 | Autoruns | 5.1 | No | Yes | — | — | — |
| 104 | Spacedeck Open | 5.1 | No | No | — | — | — |
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