Disk Space Analyzers: ranks 51–100
Page 2 of 3 of the full disk space analyzers ranking. Every tool here is researched from its official pricing and product pages. See our top picks →
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Ranks 51–100 of 104 tools, best first
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Best forMac users wanting simple visual cleanup
A focused Mac disk analyzer with visual cleanup tools at a low one-time price.
- External drive scans
- Treemap view
3.7/10★★☆☆☆Visit Space Gremlin -
Best forLinux users analyzing file age and access
A focused, free Linux utility for finding large and unused data.
- Exportable reports
3.6/10★★☆☆☆Visit agedu -
Best forWindows users wanting portable open-source analysis
A portable Windows analyzer with treemaps, duplicate finding, exports, and snapshots.
- File-type breakdown
- Exportable reports
- Treemap view
3.5/10★★☆☆☆Visit TreeLens -
Best forMac users wanting simple scanning and cleanup
A focused Mac scanner with visual maps, duplicate finding, and undoable Trash actions.
3.4/10★★☆☆☆Visit Sift -
Best forWindows users wanting lightweight visual scans
A free, open-source Windows tool for visualizing local disk usage.
- Treemap view
3.3/10★★☆☆☆Visit DiskSizer -
Best forWindows users seeking a simple free disk overview
A free Windows utility for tracing storage use through folder trees, file lists and a treemap.
- Exportable reports
- Treemap view
3.2/10★★☆☆☆Visit Vermels -
Best forCross-platform users wanting simple treemap cleanup
A free, open-source treemap analyzer for keyboard-focused local disk cleanup.
- Treemap view
3.1/10★★☆☆☆Visit DiskDive -
Best forWindows users organizing large local file collections
A Windows desktop analyzer for mapping files, comparing drives, and finding storage to clean up.
- External drive scans
- File-type breakdown
3.0/10★★☆☆☆Visit Diskify Space -
Best forRemote terminal analysis over SSH
A free, open-source terminal analyzer built for interactive storage work over SSH.
- External drive scans
- Exportable reports
3.0/10★★☆☆☆Visit ncdu -
Best forCross-platform cleanup recommendations
A focused disk analyzer with treemaps, cleanup previews, and quarantine.
- Application sizes
- File-type breakdown
- Treemap view
3.0/10★★☆☆☆Visit winTrim -
Best forMac users wanting inexpensive developer cleanup
A low-cost Mac analyzer with useful developer scans and straightforward cleanup tools.
- Treemap view
3.0/10★★☆☆☆Visit DiskTree -
Best forUsers wanting ongoing storage monitoring
A read-only analyzer with visual scans for free and ongoing monitoring in Pro.
- Treemap view
3.0/10★★☆☆☆Visit FreeSize -
Best forScriptable indexed Linux or Windows analysis
A scriptable, indexed disk analyzer with command-line, desktop, terminal, and web interfaces.
- Exportable reports
3.0/10★★☆☆☆Visit Duc -
Best forWindows users integrated with PowerToys
A focused Windows analyzer with useful PowerToys integrations and clear size reporting.
- Exportable reports
3.0/10★★☆☆☆Visit ValleySoft -
Best forMac and Linux users wanting a focused treemap
A focused open-source treemap for macOS and Linux disk analysis.
- File-type breakdown
- Treemap view
3.0/10★★☆☆☆Visit diskbloom -
Best forMinimal cross-platform treemap cleanup
A free, open-source treemap navigator for focused local disk cleanup.
- Treemap view
3.0/10★★☆☆☆Visit diskonaut -
Best forWindows users wanting simple USB-drive analysis
A focused Windows tool for visualizing and cleaning internal, SSD, and USB storage.
- External drive scans
3.0/10★★☆☆☆Visit Diskus -
Best forWindows users scanning varied storage locations
Free, portable storage analysis with zoomable multi-level pie charts.
- External drive scans
3.0/10★★☆☆☆Visit HDGraph -
Best forMac users wanting a free, fast visual scan
A free visual disk scanner for Mac, with directory drill-down and trash deletion.
3.0/10★★☆☆☆Visit OwlDisk -
Best forCLI users needing filtered disk-usage reports
A free, focused CLI for filtered disk-usage reports across three operating systems.
- File-type breakdown
- Exportable reports
3.0/10★★☆☆☆Visit Durs -
Best forTerminal users needing ranked file lists
A free, open-source terminal analyzer for ranking storage use across three operating systems.
- File-type breakdown
- Exportable reports
3.0/10★★☆☆☆Visit dust -
Best forMac users scanning cloud and network volumes
A Mac-focused analyzer for visualizing, managing, and reporting storage across many volume types.
- External drive scans
- Exportable reports
- Treemap view
3.0/10★★☆☆☆Visit site -
Best forAndroid storage and app-size analysis
A focused Android analyzer for storage scanning, file management, and app-size details.
- Application sizes
- External drive scans
3.0/10★★☆☆☆Try Storage Analyser -
Best forMac users wanting private read-only analysis
Private, read-only APFS analysis with clear visual storage breakdowns.
- Exportable reports
3.0/10★★☆☆☆Visit Pruneapple -
Best forWindows users focused on fast scans and duplicates
A Windows disk analyzer with nested visualizations, extension filters, and duplicate detection.
- File-type breakdown
3.0/10★★☆☆☆Visit Disk Space Fan -
Best forBasic free cross-platform reporting
A free cross-platform analyzer with clear charts, tables, and obsolete-file checks.
3.0/10★★☆☆☆Visit JDiskReport -
Best forDevelopers cleaning Git-related disk usage
A focused, free CLI analyzer for developers tracing Git-related disk usage.
- Exportable reports
3.0/10★★☆☆☆Visit dua -
Best forMac users wanting inexpensive visual cleanup
An affordable Mac cleanup tool with visual storage maps and reviewed Trash moves.
- External drive scans
- File-type breakdown
- Exportable reports
3.0/10★★☆☆☆Visit Delve -
Best forMac users wanting free cleanup tools
A focused free tool for visualizing, finding, and cleaning storage on Apple silicon Macs.
- Application sizes
- External drive scans
- Treemap view
3.0/10★★☆☆☆Visit DiskMapper -
Best forTerminal cleanup with shell pipelines
A free, open-source analyzer for interactive cleanup and shell pipelines.
3.0/10★★☆☆☆Visit godu -
Best forFree cross-platform visual scanning
A free, visual way to scan drives and organize large files across three desktop platforms.
- External drive scans
3.0/10★★☆☆☆Visit SquirrelDisk -
Best forMac users wanting focused cleanup review
A focused Mac cleanup reviewer with strong visual analysis and cautious removal controls.
- Treemap view
3.0/10★★☆☆☆Visit SpaceLens -
Best forWindows users wanting simple reports
A focused, free Windows analyzer with clear reports and practical file actions.
- Exportable reports
3.0/10★★☆☆☆Visit RidNacs -
Best forAffordable Mac cleanup and file inspection
A focused Mac disk analyzer with cleanup tools, duplicate detection, and a low one-time cost.
- Application sizes
- External drive scans
- File-type breakdown
3.0/10★★☆☆☆Visit WhatSize -
Best forMac users wanting polished visual cleanup
A focused macOS analyzer with strong visual cleanup tools, but no free plan or integrations.
- External drive scans
- File-type breakdown
- Treemap view
3.0/10★★☆☆☆Visit Klarity -
Best forCross-platform users wanting a fast treemap
A focused, free treemap analyzer for cross-platform directory inspection.
- Treemap view
3.0/10★★☆☆☆Visit lintree -
Best forWindows users needing comparison reports
A free open-source Windows scanner for detailed storage reports and comparisons.
- File-type breakdown
- Exportable reports
3.0/10★★☆☆☆Visit GitHub -
Best forMac users needing straightforward drive cleanup
A focused Mac utility for finding large folders and clearing unwanted files.
- External drive scans
3.0/10★★☆☆☆Visit DiskWave -
Best forLinux users checking mounted-device capacity and free space
A free graphical view of mounted-device capacity, with no folder-level usage scan.
3.0/10★★☆☆☆Visit KDE -
Best forDevelopers comparing terminal disk usage
A free, open-source terminal analyzer with parallel scans, ASCII charts, and JSON modes.
- Exportable reports
3.0/10★★☆☆☆Visit site -
Best forWindows enterprises managing network storage
Broad Windows storage analysis with enterprise controls, but a high one-time price limits its value.
- External drive scans
- File-type breakdown
- Exportable reports
3.0/10★★☆☆☆Visit DiskBoss -
Best forWindows reporting and printing workflows
A focused Windows reporting tool for inspecting and documenting files and folders.
- File-type breakdown
- Exportable reports
3.0/10★★☆☆☆Try Directory Report -
Best forWindows users wanting a safe visual cleanup tool
A focused Windows analyzer pairing exact-size drill-down with deletion safeguards.
3.0/10★★☆☆☆Visit ClearSweep -
Best forFree Mac treemap and file-kind analysis
A free, open-source Mac utility for visualizing storage use by folder and file kind.
- Treemap view
3.0/10★★☆☆☆Try Disk Inventory X -
Best forLinux users wanting simple graphical disk totals
A free, open-source Linux utility for viewing directory disk usage numerically and graphically.
3.0/10★★☆☆☆Visit K4DirStat -
Best forTechnical users building treemap reports
A configurable treemap tool for technical users who need reports from files, folders, and databases.
- Exportable reports
- Treemap view
3.0/10★★☆☆☆Visit TreeMap -
Best forScriptable cross-platform directory reports
A free, scriptable disk analyzer for hierarchical reports and sorted JSON output.
3.0/10★★☆☆☆Visit dirstat-rs -
Best forWindows users who need file management with size columns
A portable Windows file manager that adds folder-size information to flexible directory views.
3.0/10★★☆☆☆Visit Q-Dir -
Best forWindows startup and boot diagnostics
A focused, free Windows startup manager—not a disk-space analyzer.
0.8/10☆☆☆☆☆Visit Autoruns -
Best forPeople who want clearer Git and diff output
A command-line diff and grep pager, not a disk space analyzer.
0.8/10☆☆☆☆☆Visit delta
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Desktop platforms | Treemap view | Score |
|---|---|---|---|---|---|---|
| 51 | Space Gremlin | No | $4.99 one-time | macos | Yes | 3.7 |
| 52 | agedu | Yes | Free | Linux; web browser for HTML reports | No | 3.6 |
| 53 | TreeLens | Yes | Free | windows | Yes | 3.5 |
| 54 | Sift | Yes | $19.99/yr | macOS | No | 3.4 |
| 55 | DiskSizer | Yes | Free | windows | Yes | 3.3 |
| 56 | Disk Analyzer | Yes | Free | windows | Yes | 3.2 |
| 57 | DiskDive | Yes | Free | macos, windows, linux | Yes | 3.1 |
| 58 | Diskify Space | No | $79 one-time | Windows | 3.0 | |
| 59 | ncdu | Yes | Free | Linux, macOS | No | 3.0 |
| 60 | winTrim | Yes | windows, macos, linux | Yes | 3.0 | |
| 61 | DiskTree | Yes | $14.99/yr | macos | Yes | 3.0 |
| 62 | FreeSize | Yes | 29 CHF/yr | windows, macos, linux | Yes | 3.0 |
| 63 | Duc | Yes | Free | Linux | No | 3.0 |
| 64 | ValleySoft Disk Analyzer | Free | windows | 3.0 | ||
| 65 | diskbloom | Free | macos, linux | Yes | 3.0 | |
| 66 | diskonaut | Yes | Free | Linux, macOS, Windows | Yes | 3.0 |
| 67 | Diskus | Yes | Free | windows | No | 3.0 |
| 68 | HDGraph | Yes | Free | windows | No | 3.0 |
| 69 | OwlDisk | Yes | Free | macos | No | 3.0 |
| 70 | Durs | Yes | Free | windows, macos, linux | No | 3.0 |
| 71 | dust | Yes | Free | linux, macOS, Windows | No | 3.0 |
| 72 | Disk Space Analyzer | No | macos | Yes | 3.0 | |
| 73 | Storage Analyser | Yes | android | No | 3.0 | |
| 74 | Pruneapple | Yes | Free | macos | No | 3.0 |
| 75 | Disk Space Fan | No | windows | No | 3.0 | |
| 76 | JDiskReport | Yes | Free | Windows, Mac, Linux | 3.0 | |
| 77 | dua | Yes | Free | macOS, Linux, Windows | No | 3.0 |
| 78 | Delve | No | $4.99/device one-time | macos | Yes | 3.0 |
| 79 | DiskMapper | Yes | Free | macos | Yes | 3.0 |
| 80 | godu | Yes | Free | Windows, macOS, Linux | No | 3.0 |
| 81 | SquirrelDisk | Yes | Free | Windows, macOS, Linux | No | 3.0 |
| 82 | SpaceLens | No | $10 one-time | macos | Yes | 3.0 |
| 83 | RidNacs | Yes | Free | windows | No | 3.0 |
| 84 | WhatSize | $14.99 one-time | macos | No | 3.0 | |
| 85 | Klarity | No | $6.99 one-time | macos | Yes | 3.0 |
| 86 | lintree | Yes | Free | windows, macos, linux | Yes | 3.0 |
| 87 | FolderScanUltra | Yes | Free | windows | 3.0 | |
| 88 | DiskWave | Yes | Free | macos | 3.0 | |
| 89 | KDiskFree | Yes | Free | linux | 3.0 | |
| 90 | Parallel Disk Usage (pdu) | Yes | Free | Windows, macOS, Linux | No | 3.0 |
| 91 | DiskBoss | No | $450 one-time | windows | No | 3.0 |
| 92 | Directory Report | No | $21.95 one-time | windows | 3.0 | |
| 93 | ClearSweep | No | $9.99 one-time | windows | No | 3.0 |
| 94 | Disk Inventory X | Yes | Free | macOS | Yes | 3.0 |
| 95 | K4DirStat | Yes | Free | linux | 3.0 | |
| 96 | TreeMap | No | windows, macos, linux | Yes | 3.0 | |
| 97 | dirstat-rs | Yes | Free | windows, macos, linux | No | 3.0 |
| 98 | Q-Dir | Yes | Free | windows | 3.0 | |
| 99 | Autoruns | Yes | Free | 0.8 | ||
| 100 | delta | Free | 0.8 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update