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TestDisk
Maker: CGSecurity (Christophe Grenier)
Platforms: Windows, macOS, Linux, BSD, Solaris, DOS
There's only one version of TestDisk — no tiers, no upsell, no separate "Pro" edition. Everything it does is available to everyone, for free, which is unusual on this page.
TestDisk
FreeAnalyzes partition structures, can locate lost partitions, copy files from some supported file systems, and offers partition-table or boot-sector repair functions. Those write-capable repair functions should be treated separately from data recovery on a source that matters.
- LicenseGNU GPL v2+ — free, open-source
- InterfaceText-based / command-line, no GUI
- Current version7.2 (February 2024)
The real cost isn't money
TestDisk being free doesn't mean it's the easiest option — the command-line interface has a real learning curve compared to the wizard-driven consumer tools elsewhere in this directory. It rewards reading the documentation before running it on a drive that matters.