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 reTune by zplane is a Virtual Effect Audio Plugin. It functions as a VST Plugin, an Audio Units Plugin and an AAX Plugin.
reTune reTune reTune
Product reTune
Developer zplane
Price (MSRP)
Type / Tags Multi-pitch Modification
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
Downloads Released
Downloads Released
Miscellaneous Information
Copy ProtectionOnline Activation (Challenge / Response)

reTune gives you full access to the pitch content of your audio samples and enables you to map each input pitch to any other pitch of the chromatic scale – all in realtime.

This allows you to re-tune your audio to any target key (e.g. from D major to C# minor), or to use it as a creative tool to modify the pitch content in any way you like. If you are unsure about the key of your input audio, you can let reTuneestimate the key for you.

In addition, reTune can act as a pitch correction tool that quantizes pitches to the nearest semitone. Additional controls include the sensitivity of the pitch corrections, the treatment of transients as well as a smoothing of the pitch contours.

The key features at a glance are:

  • Real-time processing.
  • Automatic input key detection using zplane's tONaRT V2.
  • Fully configurable input-to-output pitch mapping.
  • Presets for major/minor scales, church modes, gypsy and chromatic scales.
  • Controls for pitch detection sensitivity, transient levels and pitch contour smoothing.
  • Automatic pitch correction to the nearest semitone.


  • Micro-tuning added.
  • New MIDI controls.
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