Best way to wipe HDD for when selling it

[lukaz lukas]

If I want to sell HDD what is the best software that wipes the data so it is unrecoverable?

 

[Colif]

http://www.dban.org/ and its free

 

[stellar205]

Hello @lukaz lukas! 'DBAN' is the best free software to erase data securely which prevents most recovery softwares to recover data. Visit www.dban.org.