Smooth Operator by Baby Audio: what it does + free alternatives
Smart spectral balancer that tames harsh vocals.
Opens Baby Audio's own site.
Put SCRAMBLE. on your vocals
One button rolls a new FX chain: glitch, stutter, tape stop, chops, reverb, delay and vocal tune. There are 43,252,003,274,489,856,000 possible chains, the same count as the positions of a 3x3 cube. Save 10,000 presets a day and 1% of them would take 118 billion years, over 8x the age of the universe.
Not just loops: drum buses, 808s and bass, hats, vocals and the master bus. 3,000+ downloads so far.
Free alternatives to Smooth Operator
All free vocals →
FreeGraillon (free edition)
Pitch correction and pitch shifting for vocals.
FreeMAutoPitch
Free automatic pitch correction with formant control.
FreeGSnap
Classic free auto-tune style plugin.
FreeTAL-Vocoder
80s-style 11-band vocoder.
FreeVocal Doubler
Natural-sounding vocal doubling in one slider.
FreeT-De-Esser
Simple, free de-esser for harsh S's.
FreeKeroVee
Free pitch correction for that hard-tuned vocal sound.
FreeReaTune
Free tuner and pitch correction, part of ReaPlugs.
FreeDenoiser Classic
Free noise remover that learns your room hiss and takes it out of vocals.
Alter/Ego
Free singing synth: type lyrics, play notes, get a robotic vocal line.
More paid vocal plugins
All best plugins →
Melodyne 5
Note-by-note pitch and timing editing.
Nectar
Vocal mixing suite with an assistant that builds a chain for you.
Little AlterBoy
Pitch, formant and robot voice effects.
Waves Tune Real-Time
Low-latency auto-tune for recording and live vocals.
Auto-Tune Pro
The original Auto-Tune. The sound of modern rap and pop vocals.
Smooth Operator FAQ
Is Smooth Operator free?
No. Smooth Operator is a paid vocal plugin from Baby Audio. Free alternatives in the same lane include Graillon (free edition), MAutoPitch and GSnap.
What is Smooth Operator used for?
Smart spectral balancer that tames harsh vocals.
When does Smooth Operator go on sale?
Many plugin makers run their biggest discounts around Black Friday (November 27, 2026) and Cyber Monday. Check Baby Audio's own page for the current price; we list confirmed sales on our Black Friday page.