For support in English, ask for help at Nintendo Homebrew on Discord.
My implementation of H2testw, which I've broken into two applications named f3write and f3read, runs on Linux, Macs, Windows/Cygwin, and FreeBSD. F3probe is the fastest way to identify fake drives and their real sizes. F3fix enables users to use the real capacity of fake drives without losing data. Alternatives to H2testw for Windows, Mac, Linux, Software as a Service (SaaS), Web and more. Filter by license to discover only free or Open Source alternatives. This list contains a total of 12 apps similar to H2testw. List updated: 10/4/2018 9:51:00 AM.
Required Reading
This is an add-on section for checking your SD card for errors using h2testw.
Depending on the size of your SD card and the speed of your computer, this process can take up to several hours!
H2testw Latest Version
This page is for Windows users only. If you are not on windows, check out the F3 (linux) or F3X (mac) pages.
What You Need
The latest version of h2testw
Instructions
H2testw Mac Reddit
Copy h2testw.exe from the h2testw .zip to your desktop
Insert your SD card into your computer
Run h2testw.exe
Select “English”
Click “Select target”
Select your SD card’s drive letter
Ensure “all available space” is selected
Click “Write + Verify”
Wait until the process is completed
If the test shows the result Test finished without errors, your SD card is good and you can delete all .h2w files on your SD card
If the test shows any other results, your SD card may be corrupted or damaged and you may have to replace it!