Disk tools
Tools that write bootable USB drives and show what is filling a disk.
129 results, page 4 of 5
OpenZFS
An open-source filesystem and volume manager with built-in native encryption for datasets.
OSFMount
A free Windows utility that mounts disk image files as drives and creates RAM disks.
Paragon Hard Disk Manager
Commercial suite for partitioning, backup, migration and secure wiping.
Parted Magic
A bootable disk utility for partitioning, cloning, rescuing, benchmarking and securely erasing drives from a USB stick.
pdu (parallel-disk-usage)
A command-line directory tree analyzer that measures disk usage in parallel and prints a size chart.
Pearcleaner
A free, source-available macOS app uninstaller that finds and removes leftover files.
Popsicle
A Linux utility from System76 that writes a disk image to several USB drives at once.
Porteus
A small, modular Slackware-based Linux system built to run from a USB drive, CD or disk.
QDirStat
A Qt-based graphical disk usage analyser with a directory tree and treemap view.
R-Drive Image
Windows disk imaging utility that creates byte-by-byte image files of drives and partitions for backup.
Raspberry Pi Imager
The official tool for writing Raspberry Pi OS and other images to SD cards and USB drives.
rmlint
A fast command-line tool that finds duplicate files, empty directories and other filesystem clutter.
Scrutiny
A self-hosted web dashboard for hard drive S.M.A.R.T. monitoring with historical trends and failure thresholds.
SD Maid SE
An Android cleaning app that removes leftover files, duplicates and app junk to free storage.
SD Memory Card Formatter
The SD Association's official utility for formatting SD, SDHC, SDXC and SDUC memory cards to specification.
SeaTools
Seagate's free diagnostic tool for checking the health of hard drives and SSDs.
ShredOS
A small bootable environment for 64-bit PCs that securely wipes disks using nwipe.
smartmontools
Reads the SMART health data built into disks and runs self-tests, giving advance warning before a drive fails.
SpaceSniffer
Shows disk usage as a treemap you click into, so the biggest folders and files are immediately obvious.
SpinRite
A bootable maintenance and data recovery utility for hard drives and other mass-storage devices, from GRC.
Stellar Data Recovery
Commercial software for recovering deleted, lost or formatted files from computers and storage media.
SuperDuper!
Mac utility that makes fully bootable copies of a startup disk on an external drive.
TestDisk & PhotoRec
Recovers lost partitions, makes non-booting disks bootable again, and undeletes files from FAT, exFAT, NTFS and ext filesystems.
The Sleuth Kit
Command-line tools and a C library for analysing disk images and recovering files in forensic work.
tiny11builder
PowerShell scripts that build a trimmed-down Windows 11 installation image from an official ISO.
UltraDefrag
A portable disk defragmenter for Windows with file placement, disk health monitoring and cleanup tools.
UNetbootin
Writes Linux distribution ISOs to a USB drive on Windows, macOS and Linux.
Uranium Backup
Windows backup software for files, databases, drive images and virtual machines, with a free edition.
USBImager
A minimal cross-platform app that writes compressed disk images to USB drives.
ValiDrive
A free GRC utility that checks whether a USB drive really holds its advertised capacity.
