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Included Plugins

VST3AUAAXMacWindows

Opti Comp • Completely Free

No account. No credit card. Just download and make records.

  • Program-dependent smoothing that levels vocals and bass effortlessly.
  • HF bias helps tame peaks in the mid and highs for steadier gain control.
  • Toggle from compressor to limiter when using on a bus or master fader.

Frequently Asked Questions

With one monthly or annual membership, you unlock every plugin in the 420 Plugin Suite on this page.

As long as your membership is active you can:

  • A single license unlocks every plugin in the suite.
  • Download and use all current 420 plugins in supported formats (AAX, VST3, AU).
  • Automatic access to newly released plugins while you’re subscribed.

It works a lot like Netflix: one subscription, all the titles in the library.

You start with a 30-day free trial. No charge during the trial window.

If you’re happy and don’t cancel, your membership automatically rolls into a paid monthly or annual plan at the price you chose at checkout.

If you cancel during the trial, you won’t be charged.

You can cancel anytime from your account page with a single click. When you cancel, your plugins keep working until the end of your current billing period, then your subscription and license simply stop renewing.

Your payment details are handled by trusted processors like Stripe and PayPal over encrypted connections. We never store your full card number or CVV on our servers.

On our side, we only keep what we need to run your account:

  • Your email and name
  • Your subscription status
  • Your plugin licenses

We recommend opting into marketing emails so we can:

  • Tell you when we add new plugins to the 420 Plugin Suite
  • Send direct download links to updated installers
  • Share details regarding plugin updates or new versions

Yes, Opti Comp is a completely free compressor plugin. There’s no checkout, no account needed, and no subscription required. You just download the installer from this page and start using it in your DAW.

If you like it and want to try more from 420 Plugins, come back to the site and sign up to try them all for 30 days free.

We currently support:

  • AU (Audio Unit) for DAWs like Logic Pro and other AU-compatible hosts on macOS.
  • VST3 for DAWs like Reaper, Ableton Live, Cubase, Studio One, and many others on macOS and Windows.
  • AAX for Pro Tools on macOS and Windows.

All supported formats for each plugin are listed in the Included Plugins section above and on individual product pages.

By default, and unless you choose a different location during installation, plug-ins are placed in these standard folders.

macOS

  • AAX: /Library/Application Support/Avid/Audio/Plug-Ins/
  • AU: /Library/Audio/Plug-Ins/Components/
  • VST3: /Library/Audio/Plug-Ins/VST3/

Windows

  • AAX: C:\Program Files\Common Files\Avid\Audio\Plug-Ins\
  • VST3: C:\Program Files\Common Files\VST3\

Note: Windows does not use AU. Some installers may offer an alternate destination, but the folders above are the usual defaults.

Your 420 Plugin Suite membership is tied to your account and license, not just one computer.

You can activate your license on up to 3 machines (for example: studio desktop, laptop, and a second room).

Licenses are validated over the internet. When you open a 420 plugin with a working connection, it will automatically phone home and refresh its validity period.

You can then work offline for about 7 days before another quick online check is needed to keep everything fresh.

If your subscription ends, your license will eventually stop refreshing and plugins will no longer run in full mode until you resubscribe.

For the full legal terms around licensing and usage, see our Terms.

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