All DOTEC-AUDIO plug-ins have free demonstrations in paid version as well.

DeeFat Auto Compressor / VST & AU & AAX plug-in

DeeFat Auto Compressor / VST & AU plug-in. You can get FAT sounds !

Demo Video

DEMO Download
* Please try demo to check works normally on your DAWs.

Windows VST2/3/AAX(ZIP 64bit)
DeeFat only (about 8MB)

MacOSX VST2/3/AU/AAX(ZIP 64bit OS 10.12 or later)
DeeFat only (about 14MB)

All products (Demo & Free)

Windows VST2/3/AAX(ZIP 64bit)
All products (about 379MB)

MacOSX VST2/3/AU/AAX(ZIP 64bit OS 10.12 or later)
All products (about 784MB)

Latest version is 2.5.4.
These ZIP and TGZ files include manuals(En/Jp).

The demo version of DeeFat has 1 second of silence every 30 seconds.
Please purchase a serial key and register from here in order to use with no restrictions.
* The registration requires an internet connection.

How to register

Price:$50 USD
Enter the coupon code or the serial key for the product you already have!
You can buy DeeFat at a discounted price!
(Coupon $10 USD discount, serial key $15 USD discount)
And your second purchase will receive $15 USD off with a bulk purchase discount!
PayPal(Credit/Debit Card)

For GMX Mail users
We are experiencing a problem were sending from the DOTEC-AUDIO mail server to GMX Mail will result in an error, so please use a different address such as Gmail when purchasing.
If you do not receive an email after your purchase, please notify us at or DOTEC-AUDIO's facebook page.


DeeFat is a VST & AU plugin with following features:

  • Only one slider will control compressor to get FAT sounds.
  • Can be used in LIVE situation since DeeFat runs fast and works gracefully.
  • New! Added BASS ENHANCER button for changing enhance level.

Checked hosts

Our Plug-ins are tested with following hosts.
Please try demo to check works normally on your hosts.

  • Ability 4.0
  • Ableton Live 9.x 10.x 11.x
  • ACID Pro 10
  • Audacity 3.x
  • Cubase 8.x 9.x 10.x
  • Digital Performer 10
  • FL Studio 12.x
  • GarageBand 10.x
  • Logic Pro X 10.x
  • OBS Studio 26
  • Streamlabs OBS V1.0 (Windows only)
  • ProTools 11.x & 12.x & 2018
  • Reason 9.5 & 10.x
  • Serato Studio 1.4
  • SONAR Xx & PLATINUM / CakeWalk
  • Studio One 3.x & 4.x & 5.x

Release notes

Jun/18/2022 Version 2.5.4 :  New!
- Apple Silicon support for AAX for Mac (Other formats are already supported.).

Jan/5/2021 Version 2.5.3 :
- Apple Silicon support for VST, VST3, and AU for Mac (AAX is not supported).
- Fixed automation problem when using VST3 in Cubase.

Jul/3/2020 Version 2.5.2 :
Improved graphics processing to up on Mac Retina models.

Jun/23/2020 Version 2.5.1 :
Improved graphics processing to up to 300% on Mac.

Nov/22/2017 Version 2.5.0 :
Added BASS ENHANCER button for changing enhance level.

Jun/7/2017 Version 2.0.0 :
Released AAX Version.
Changed the support MacOSX version "10.9 or later" to "10.7 or later"

May/24/2017 Version 2.0.0 :
- The mid range have improved.
- Fixed bug "automation problem on some DAWs".

Jun/19/2016 Version 1.0.5 :
Fixed some reported bugs.

May/16/2016 Version 1.0.4 :
Fixed some reported bugs.

May/2/2016 Version 1.0.3 :
The sound quality improved by improvement of the analysis precision.

Apl/25/2016 Version 1.0.2 :
Fixed some reported bugs.
Modified the start-up process to improve performance.

Apl/23/2016 Version 1.0.1 :
Modified the screen drawing processing to improve performance.

Apl/16/2016 Version 1.0.0 :
First release.