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TestDisk

TestDisk

Free, open-source tool to recover lost partitions, repair boot sectors, and undelete files.

softwareData Recoverydata-recoverypartition-recoveryopen-source
Our Verdict

Best for

Technical users who need a free, powerful tool to recover lost partitions or deleted files.

Skip if

You want a polished GUI and are uncomfortable with a text-based recovery workflow.

What is TestDisk?

TestDisk is a free, open-source data recovery utility that fixes partition tables and recovers lost partitions when problems stem from software faults, viruses, or user error. It can rebuild damaged or deleted partitions for FAT, NTFS, exFAT, and other filesystems, repair boot sectors, fix FAT tables, and rebuild the NTFS Master File Table using its mirror copy. It also undeletes individual files from FAT, exFAT, NTFS, and ext2 filesystems and ships bundled with PhotoRec, a companion tool for recovering lost photos, videos, and documents. TestDisk runs from a text-based menu interface on DOS, Windows, Linux, macOS, and several BSD variants, and is licensed under the GPL.

SpecificationsAI-estimated

deploymentDesktop App
open source✅ Yes
api available❌ No
support optionsDocumentation, community forum

Key Features of TestDisk

Rebuilds damaged or deleted partition tables for FAT, NTFS, exFAT, and other common filesystems.
Recovers and repairs boot sectors, including alternate backups, for FAT32, FAT12/16, and NTFS drives.
Fixes corrupted FAT tables and rebuilds the Master File Table (MFT) on NTFS volumes using its mirror copy.
Undeletes files directly from FAT, exFAT, NTFS, and ext2 filesystems.
Ships bundled with PhotoRec, a companion tool for recovering lost photos, videos, and documents.
Runs from a text-based menu interface on DOS, Windows, Linux, macOS, and multiple BSD variants without installation.

Use Cases for TestDisk

1

Recovering a deleted or damaged partition

Rebuild a partition table after accidental deletion, a failed OS install, or disk corruption.

2

Fixing a drive that won't boot

Repair damaged boot sectors on FAT or NTFS drives to restore a computer's ability to boot.

3

Undeleting accidentally removed files

Recover individual files that were deleted from FAT, NTFS, exFAT, or ext2 filesystems.

4

IT and data recovery professional use

Use as a free, portable diagnostic and recovery tool on client machines with damaged storage.

Pros & Cons of TestDisk

Pros

  • Completely free and open source with no limitations
  • Works across nearly every major OS and filesystem
  • Frequently recommended and battle-tested by IT professionals
  • Includes PhotoRec for broader file recovery needs

Cons

  • Text-based interface is intimidating for non-technical users
  • No official GUI version
  • Requires care to avoid making a damaged disk worse if used incorrectly

Frequently Asked Questions

Is TestDisk free?

Yes, TestDisk is completely free and open source under the GPL license.

What operating systems does TestDisk support?

TestDisk runs on Windows, Linux, macOS, and several BSD variants, plus DOS.

Does TestDisk have a graphical interface?

No, TestDisk uses a text-based menu interface rather than a full GUI.

What is PhotoRec?

PhotoRec is a companion file-recovery tool bundled with TestDisk, focused on recovering lost photos, videos, and documents.

Pricing Overview

View full pricing →
Free

TestDisk

Free

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About the Product

Unclaimed Listing
Target AudienceIT professionals and technical users needing free partition and file recovery

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Tags

data-recoverypartition-recoveryopen-sourcefile-undeletedisk-utility

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