In the past, low-level formatting meant physically marking the surface of the disk. Today, for SATA, NVMe, and USB drives, "low-level" formatting actually refers to a or a Secure Erase . This process overwrites every sector of the drive with zeros, effectively factory-resetting the file system and mapping out bad blocks. The Best Native Alternative: macOS Disk Utility
: Hidden inside a "wrapper" to infect your system. HDD-Low-Level-Format-Tool-For-Mac-Full-Version-Free-Download
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). In the past, low-level formatting meant physically marking