FolderScanUltra
FolderScanUltra: A free open-source Windows scanner for detailed storage reports and comparisons. Ranked #87 of 104 in Disk Space Analyzers by our editors (3.0/10); pricing: Free plan; best for windows users needing comparison reports.
At a glance
- Editor score3.0 / 10
- PricingFree plan
- Best forWindows users needing comparison reports
- Free planYes
- Paid fromFree
- Desktop platformswindows
- Facts checked22 Sep 2026

Where it wins
- Scans folders, drives, and network storage
- Exports CSV, JSON, XML, text, tree, and summary reports
- Compares folders and lists duplicates by name or size
Where it doesn't
- Windows-only desktop utility
- Console-based rather than visual-map driven
- Community support with no AI features
Our verdict on FolderScanUltra
FolderScanUltra is a free, open-source Windows console utility for analyzing folders, drives, and network storage. It is aimed at solo users and small teams that need detailed storage reports, file-extension breakdowns, folder comparisons, filtering, duplicate listings, and optional database storage without a paid plan. Its scope covers local storage as well as network storage, giving users several ways to inspect file and folder contents.
Reporting is the product's clearest strength. FolderScanUltra can produce CSV, JSON, XML, text, tree, and summary reports, while file-extension reporting adds a file-type view of scanned storage. Folder comparison identifies new, missing, date, and size changes, and filtering by file categories helps narrow the output. Duplicate listings can be based on file name or size. These features make it a practical choice for report-driven analysis and recurring comparisons, although the console format suits users comfortable working without visual maps.
The product keeps its focus narrow: Windows desktop storage analysis rather than a broader platform or integration ecosystem. Optional database storage adds a way to retain scan information, while the project is distributed as free open-source software through its GitHub repository. Community support is the available support model, and there are no AI features. Choose FolderScanUltra if you want a no-cost Windows tool with broad export formats and comparison detail. Consider an alternative if you need another operating system, a visual map interface, AI-assisted analysis, or a broader integration layer.
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FolderScanUltra pricing
FolderScanUltra fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Desktop platforms | windows |
| Treemap view | Not verified |
| Application sizes | Not verified |
| File-type breakdown | Yes |
| External drive scans | Not verified |
| Exportable reports | Yes |
| Scan scope | Files_folders |
| Deployment | Desktop |
| Platforms | Windows |
| Support | Community |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 22 Sep 2026 |
Alternatives to FolderScanUltra
- TreeSizeA broad Windows analyzer with strong free features and tiered automation tools.9.3
- WinDirStatA classic Windows analyzer with treemaps, file breakdowns, duplicate detection, and CSV export.9.1
- FilelightA free, open-source disk analyzer with strong KDE integrations and ring-based visuals.9.0
See all FolderScanUltra alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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