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About ValiDrive
ValiDrive spot-checks USB mass storage drives for fraud. Fake flash drives report a larger capacity than they actually have and silently lose data written beyond their real storage. ValiDrive tests the drive to reveal how much of the claimed space is genuinely usable.
It is one of the free utilities published by Steve Gibson's Gibson Research Corporation, alongside tools such as InitDisk and ReadSpeed. It suits anyone who has bought cheap flash drives or memory cards online and wants to check them before trusting them with data.
Strengths
- Detects fake or counterfeit USB drives
- Quick spot-check rather than a full-drive write
- Free with no account
Limitations
- Windows only
- Checks capacity rather than general drive health
Details
- Pricing
- FreeFree utility from GRC.
- License
- Proprietary (Freeware)
- Developer
- Gibson Research Corporation
- Platforms
- Windows
- How it runs
- Downloadable app
- Account
- Not required
- Works offline
- Yes
- Best suited for
- Checking cheap USB flash drives for fake capacity
- Categories
- Disk tools
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to ValiDrive
Compare allSoftware that can replace ValiDrive for an important use case, and what changes if you switch.
f3
A command-line tool that tests flash drives and memory cards for fake capacity and real performance.
f3 is open source and runs on Linux from the command line, writing and reading back the whole device, so tests take longer than a spot-check but also report real speeds.
Similar software
Related functionality, not necessarily a direct replacement.
HDDScan
A free Windows utility for testing hard drives and SSDs, reading SMART data and running surface tests.
CrystalDiskInfo
Reads the health data your drives already record and tells you plainly whether one is dying.
SD Memory Card Formatter
The SD Association's official utility for formatting SD, SDHC, SDXC and SDUC memory cards to specification.
CrystalDiskMark
The standard Windows disk benchmark, measuring sequential and random read and write speeds in a few clicks.
SpinRite
A bootable maintenance and data recovery utility for hard drives and other mass-storage devices, from GRC.
ImageUSB
A free PassMark utility that writes an image to many USB flash drives at the same time.
