OpenVoxTuner is a real-time vocal pitch correction and harmony plugin for Linux, macOS, and Windows. Its Auto mode quantizes pitch to one of 14 scale types, with adjustable correction speed and amount. Graphic mode lets users draw and refine pitch curves using snapping and a grid, as well as copy, paste, undo, and redo. The harmony engine can produce up to four voices in voice or synthesized modes. Key detection can draw on audio input, the OpenVoxKey companion bridge, or a sidechain input. The plugin includes formant processing, reverb, a noise gate, and an upward compressor. With ARA2, it can read key, scale, and time signature from a DAW timeline and sync its playhead and waveform. MIDI output can follow detected pitch; MIDI input can control correction pitch. OpenVoxTuner is a real-time effect, not an offline note-level editor. It is a VST3 plugin, free for personal and commercial use under AGPLv3, with source code on GitHub.
Who it is for
It suits musicians, producers, studios, and educators looking for real-time vocal correction or harmony tools. Its free license covers personal and commercial use.
What is good
- Auto mode offers 14 scale types.
- Harmony supports up to four voices.
- ARA2 syncs with the DAW timeline.
- Free for personal and commercial use.
What to know first
- It does not provide offline note-level editing.
- Available plugin format is VST3.
Verdict
OpenVoxTuner combines real-time pitch correction, harmony, MIDI control, and built-in effects in a free plugin. Those needing offline, note-level pitch editing should note its stated limitation.
OpenVoxTuner plans and pricing
All plansCompared on pitch correction software
- Free plan
- Yes
- Real-time correction
- Yes
- Formant control
- Yes
- MIDI pitch control
- Yes
- Plugin formats
- vst3
- Scale/key detection
- Yes
