Before we discuss a free download, let's clarify the technology.
Graillon is perhaps the most popular free alternative to Newtone and Auto-Tune. While the full version requires payment, the "Free Edition" is incredibly powerful. It features a "Pitch Shifter" and "Pitch Correction" module. It is renowned for its "Bitcrusher" sound which adds a unique flavor to vocals. It is safe, Newtone Vst BETTER Free Download
Snap notes to the nearest semitone or manually adjust them for a natural or "robotic" sound. Before we discuss a free download, let's clarify