H2testw is a free and open source software tool designed to test the integrity of flash memory storage devices such as USB flash drives and SD cards. It works by writing a test file of a specified size to the device, then reading it back to ensure its contents are the same as when it was written. The tool can be used to test the speed and reliability of the device, as well as its accuracy in terms of real capacity.
H2testw allows users to quickly and easily detect data integrity issues on storage devices.
Features:
1. Easy to use:
H2testw is a simple and straightforward tool that requires no technical knowledge to operate. It can be run from any Windows or Linux system with a USB port.
2. Comprehensive tests: The tool can be used to test the integrity of multiple flash storage devices at once, and the results can be logged for future reference.
3. Fast performance: The test file is written to the device in large blocks, allowing for faster completion times.
4. Accurate results: The tool provides accurate information about the device's true capacity and performance.
5. Reliable: The tool can be run multiple times in order to ensure that the results are consistent.
6. Security: The tool can be used to detect any potential errors or malicious code on the device.
7. Supports multiple file systems: The tool supports multiple file systems, including FAT32, NTFS and exFAT.
8. Easy to share: Results of the tests can be easily shared with colleagues or customers.
9. Free and open source: H2testw is free to use and its source code is available for anyone to examine or modify.