MAutoPitch is part of the massive Melda Free FX Bundle. It is a workhorse plugin that offers more control than almost any other free tuner. Includes automatic tuning and scale locking.
The ability to select a key (like C Major or A Minor) so the plugin knows which notes to ignore. waves tune realtime best free
Are you looking to achieve a vocal sound, or are you specifically trying to recreate the "hard-tune" robotic effect found in modern hip-hop? MAutoPitch is part of the massive Melda Free FX Bundle
Some free plugins struggle with natural vibrato. If the correction sounds "shaky," try backing off the correction strength. waves tune realtime best free