17.4
nvm is a free, MIT-licensed command-line tool for installing and using different Node.js versions.
Free planOpen sourceLinuxmacOSSelf-hosted
Best Disk Diagnostic Software in 2026
Disk diagnostic software can help you examine drive health and investigate storage problems. Compare SMART tests and bad-sector scans with surface scans and read/write testing to understand which checks each tool lists. smartmontools, Hard Disk Sentinel, and DiskMaster are among the entries shown. Bootable media and platform support can help you assess whether a tool fits your maintenance setup, while maximum drive…
27.3
Free planWindows
37.3
Free planOpen sourceWebLinuxmacOS
- 4
Hard Disk Sentinel
Hard Disk Sentinel monitors, diagnoses, tests, and reports on storage health, performance decline, and failures.
Free planLinuxWindows6.9$22 one-time - 5
smartmontools
smartmontools is a free package containing smartctl and smartd for controlling and monitoring storage devices through SMART.
Free planLinuxmacOSWindows6.8Free plan - 6
DRevitalize
DRevitalize is Windows software for diagnosing and repairing physical damage to magnetic media, including hard drives and some floppy drives.
Free planWindows6.7Free plan - 7
GSmartControl
GSmartControl is a free desktop application for viewing drive health through smartctl, part of the smartmontools package.
Free planLinuxmacOSWindows6.7Free plan - 8
HD Tune Pro
HD Tune Pro is a Windows utility for examining hard disks, SSDs, USB sticks, and memory card readers.
Windows6.4 - 9
Macrorit Disk Scanner
Macrorit Disk Scanner performs surface tests on storage devices to find bad sectors.
Free planWindows6.4$18.95 one-time - 10
DiskMaster
DiskMaster is a free desktop tool for monitoring drive health on Windows, Linux, and macOS.
Free planLinuxmacOSWindows6.2Free plan - 11
DriveDx
DriveDx diagnoses and monitors SSD and HDD health on macOS, helping users spot drive problems before data loss or downtime.
macOS6.2$19.99 one-time - 12
SMARTHDD
SMARTHDD is Windows software for diagnosing and optimizing hard disk drives and solid-state drives.
Windows6.2$14.95 one-time - 13
StableBit Scanner
StableBit Scanner is Windows software for continuously checking hard drives and watching their condition.
Windows6.2$29.95 one-time - 14
HDD Regenerator
HDD Regenerator is a paid program for detecting and repairing physical bad sectors on disk drives.
LinuxmacOSWindows6.1$49.99 one-time - 15
HDAT2
HDAT2 is a free diagnostic program for ATA, ATAPI, SATA, NVMe, SSD and SCSI/USB devices.
Free planWindows6.0Free plan - 16
HDDScan
HDDScan is free Windows software for diagnosing hard drives, RAID arrays, USB flash drives, and SSDs.
Free planWindows6.0Free plan - 17
Victoria HDD/SSD
Victoria HDD/SSD is a free Windows program for diagnosing, testing, and making minor repairs to hard drives, SSDs, memory cards, and other storage devices.
Free planWindows5.9Free plan - 18
Ariolic Disk Scanner
Ariolic Disk Scanner is a free Windows utility that checks disks for read errors that may signal drive degradation.
Free planWindows5.8Free plan - 19
ValiDrive
ValiDrive is a free Windows utility from Gibson Research Corporation for spot-checking USB mass storage drives for deliberately missing storage.
Free planWindows5.8Free plan - 20
Stellar Drive Monitor
Stellar Drive Monitor is a Windows and macOS utility that checks storage drive performance and alerts users to anomalies.
macOSWindows5.7$19.99 one-time - 215.6Free plan
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STB Suite
STB Suite is testing and diagnostic software for storage peripherals, including SCSI, Fibre Channel, iSCSI, SATA, ATAPI, and SAS devices.
APILinuxWindows5.5 - 23
SpinRite
SpinRite is a storage maintenance and data-readability program for compatible Intel or AMD PCs.
Windows5.2 - 24
Atola Disk Recycler
Atola Disk Recycler is a scriptable tester, wiper, and repair system for professional hard disk recycling.
Self-hostedWindows5.1 - 25
CrystalDiskInfo
Windows4.7