Slowslicing Uzumaki Is A FREE Phase Distortion Plugin


Slowslicing releases Uzumaki, a freeware FM/phase distortion plugin for Windows.

If you’ve ever been looking for an easy way to modulate any audio together, Uzumaki could be the answer.

Uzumaki is a bit of a quirky plugin in both design and function. The developer, Slowslicing, suggests that Uzumaki could be the only plugin of its kind at the moment, and I couldn’t disagree; I’ve never used anything that does the same thing.

So it’s quirky in that it’s perhaps one of a kind or unusual at the least.

Uzumaki allows you to FM (via synthesizer-style phase modulation) any two mixer channels together by sidechaining them. The developer has uploaded a helpful tutorial video to YouTube that’s worth checking out, especially if you’re using FL Studio.

Uzumaki is essentially a one-knob plugin, although it’s more of an other-worldly spiral than a knob. You can activate the FM effect by clicking and dragging on the plugin to turn the spiral.

Since you can choose any two audio sources you like, it’s hard to put a cap on the sound design potential of this plugin. I’d love to hear some more creative demos in addition to the more functional tutorial/demo from the developer. So, if any of you Windows folk out there use Uzumaki on a track/project, please feel free to share; I’d love to hear what you do with it.

Any Manga fans will know the name Junji Ito the Mangaka behind some of the genre’s most popular series. I have to concede that maybe I’m just not that cool, but I didn’t know.

Junji Ito created a three-volume horror series called Uzumaki, which is the inspiration for this plugin (and explains the bold artwork).

I’m going to go from the slightly weird and potentially wonderful to something much more mundane (but wonderful) now; BBC Symphony Orchestra Discover. It’s completely unrelated, I know, but I’ll take any chance I can to give it a mention; it’s an incredible freebie, and now you don’t need to wait for it or fill in a questionnaire.

Uzumaki is available in VST3 format for Windows (64-bit).

Download: Uzumaki 


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James is a musician and writer from Scotland. An avid synth fan, sound designer, and coffee drinker. Sometimes found wandering around Europe with an MPC in hand.


  1. The horror theme is a good idea, because that thing is not for the faint of heart since the sound it produces can be very abstract. I think it would benefit to have a switch to swap the carrier and modulator channels, it would help exploring the sound palette you can get from this …perfectly sane plugin?

  2. Put a filter on the sidechain channel, cut off the high frequencies (otherwise there will be a lot of “sand”). Mute the audio output on the sidechain channel. And now you can change the color of the signal on the channel on which this plugin is located, with any sound. Look for what you like)

  3. Since you asked for other plugins with the same functionality: Abletons stock Vocoder allows you to do pretty much this by selecting any given input as a carrier or am I completely wrong?
    But I’ll check it out anyway since it has such a nice gui!

    • Not wrong, but vocoding is doing something else. A vocoder tries to reconstruct the original audio using less bandwidth than originally. But that’s the telephone use, in a musical way, you use a modulator signal to only reconstruct those frequencies. Typical exemple is voice modulated by a synth pad/string sound, where the voice will sound pitched to the synth.
      Uzumaki is using …well, I’m not sure exactly, but be it Frequency Modulation, Phase Modulation or Phase Distortion, let’s just say that the signals are altered in a manner that can rip the fabric of spacetime of our local universe. (Okay, I really don’t know how to explain)
      PS: I love vocoded drums.

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