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What Is a VST Plugin?

Updated October 2026

A VST plugin is a software effect or instrument that runs inside a digital audio workstation. Plugins add reverb, compression, EQ and synthesisers. Tunedzy does not host plugins.

The short version
  • A plugin is an effect or instrument that runs inside a DAW.
  • VST, AU and CLAP are common plugin formats.
  • Plugins need a host, such as a DAW.
  • Tunedzy has its own built-in steps and does not host plugins.

The short definition

A plugin is a piece of software that runs inside a host, usually a DAW. It processes audio or generates it. VST is the most common format, with AU on Apple systems and CLAP as a newer option.

Why plugins matter

They let you build a chain of effects in your DAW: EQ, compression, reverb, delay and more. Many vocal chains use several plugins in a row.

Tunedzy and plugins

Tunedzy does not host plugins. Its steps are built in: repair, studio sound, level, tone, de-ess, Auto-duck and loudness. If you rely on a particular plugin, keep using it in your DAW and finish the file in Tunedzy after.

Plugins in the DAW, finish in Tunedzy

Use your plugins in your DAW for the mix, and finish the voice file in Tunedzy.

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Frequently asked questions

What is the difference between a plugin and a DAW?

A DAW is the host application; a plugin runs inside it.

Does Tunedzy run VST plugins?

No. Its steps are built in.

What is the most common plugin format?

VST is the most common, with AU on Apple systems.

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