HOFA 4U – Free VST, VST3, AU, RTAS, AAX Plugins

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Download & Testzum HOFA-Plugins Shop

Here you’ll find the plugins of the HOFA 4U collection directly out of the HOFA-studios.
And as it is common for freeware, all HOFA 4U plugins are free and up for grabs for everyone.
There are more to come – so head on over now and then to check it out …

HOFA 4U ProjectTime

HOFA 4U ProjectTime

Features V2.0.2 (changelog):

  • shows the time which has passed during a DAW project
  • time measurement in hours, minutes, seconds
  • pause function
  • writes log to see when you worked on the project
  • every log entry can be commented
  • works on Windows and Mac with any DAW

HOFA 4U ProjectTime starts the time measurement as soon as it gets loaded into a plug-in slot in your DAW (Cubase, Pro Tools, Studio One, Reaper …).
The stopped time is saved with the closing of the project. The time measurement resumes by reopening this project.
Click here to read the manual.

HOFA 4U Meter, Fader & MS-Pan

Features V2.0.2 (changelog):

  • precise metering (peak, hold, EBU, LRA)
  • MS decoder
  • trim-, fader- and mute-function
  • stereo-mono switch
  • analyze peak & EBU R128 levels via drag and drop of audio files
  • innovative panorama-function: this is the panner that you can also use for “more than stereo” panning
  • changeable plugin window size
  • mouse-over-tooltipps
  • manual onboard
  • works latency-free and with all common sample rates
  • for PC and Mac, 32 and 64 Bit DAWs
  • Audio Unit, VST, VST3, RTAS and AAX

Click here to read the manual.

HOFA 4U Goniometer & Korrelator

HOFA 4U Goniometer & Korrelator

Features V1.3.0 (changelog):

  • switchable between goniometer and correlation meter
  • new type of goniometer with peak, hold and energy-indicator
  • innovative und intuitive correlator
  • changeable plugin window size
  • manual onboard
  • works latency-free and with all common sample rates
  • for PC and Mac, 32 and 64 Bit DAWs
  • Audio Unit, VST, VST3, RTAS and AAX

Click here to read the manual.

Download 4U:

Click here to download the installer for ALL 4U Plugins.


If you want to be kept up to date about further HOFA 4U plugins, just enter your email address here:


HOFA IQ-Analyser V2 Standalone

NEW: The IQ-Analyser V2 Standalone version contains all IQ-Analyser (Plugin) functions as well as a complete new range of possibilities.

Buy now at the reduced introductory price and SAVE MONEY

  • Network functionality
  • Standalone Analyser (mac & pc)
  • Analysis of internal and external audio
  • Measuring Instrument for studios and live locations
    (frequency, loudness, stereo correlation)

go to video


Just drag & drop your mastered tracks into the audio editor of CD-Burn & DDP. You can cut, copy, paste and move them, adjust levels, fades and crossfades as well as insert CD-Text, ISRC and EAN.

It's never been so easy to create perfect (master) CDs and DDP images.

learn more

HOFA DeEsser

The upcoming HOFA IQ-DeEsser is using vocal detection to identify sibilance in vocal tracks and introduces new transparent algorithms to reduce sibilants.
Sounds great? ... coming soon!

Vocal Super Compression

HOFA CEO Jochen Sachse explains a new method for compression, wich is not only suitable for challenging vocal tracks.

Acoustics Advice & Planning

You've had enough of a bad sound because of unsatisfying acoustics?

We are pleased to offer you an individual planning for your rooms, which is absolutely free of charge.

HOFA Acoustics Advice

The HOFA Video Website is Online!

Moving pictures sometimes are worth a thousand words.
Especially for educational purposes, there is no better way than a well made video.

From now on, you will find information about audio engineering, plugins and acoustics on:



20 questions and answers

You can find the answers to 20 important questions concerning the technical background and the correct placement of acoustic elements on our website with the acoustics FAQ.

20 questions and answers

EDU-prices for HOFA-Plugins

As a participant in an educational institution you can purchase plugins and bundles by HOFA-Plugins with education discount (-33 %), simply send us your valid enrollment documentation.

more details

Now online

Free HOFA Acoustics Wizard

Now you can find support for your room's acoustic treatment in the new HOFA Acoustics Wizard.
The Wizard will calculate and visualize nearly realistic reverberation times and give you possible solutions for the optimization.

Acoustics Wizard