Be cautious of sites offering "HDD Low Level Format Tool Mac Full Version Free Download." Since the original developer (HDDGuru) only makes a Windows version, these files are often:
If you need more advanced diagnostic features or the Disk Utility fails to recognize a corrupted drive, consider these tools:
: Incompatible .exe files that won't run on your Mac without a virtual machine. Conclusion
You don't need to download extra software to "low-level" format a drive on a Mac. The built-in includes security options that perform a zero-fill erase. Connect your drive to your Mac. Open Disk Utility (found in Applications > Utilities).