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

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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+ BlindTest

4U BlindTest

  • innovative tool for an objective comparison of equipment (e.g. plugins) inside your DAW
  • shuffle mode that anonymises the tracks
  • loudness compensation
  • rating and note features
  • comparison of up to 3 tracks
  • upgradeable to the unlimited full version

Except for the varying number of possible tracks the freeware is identical to the full version.
You can find more info about the plugin here.

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:


Excellent: IQ-DeEsser: Editors Choice by Professional Audio magazine

HOFA's intelligent de-esser with voice recognition is awarded by the well renowned German audio magazine Professional Audio.

>> test the best De-Esser for 4 weeks
>> read the article (in German language)

HOFA Super Bundle & IQ-Bundle are only available for a few more days at the best price of all times!

And the highly attractive introductory prices for our latest releases IQ‑Analyser Standalone, IQ‑Limiter and 4U+ BlindTest are as well only valid until January 31!

>> HOFA-Plugins Winter SPECIALS

Excellent:The coolest freeware utility plugin this year was 4U+ BlindTest, an incredibly useful tool to have around ...“

The independent audio website Bedroom Producers Blog has declared our freeware plugin 4U+ BlindTest the best VST‑Utility 2015.

Get the free plugin for finally fair comparisons.

>> HOFA freeware plugins


Free Video Tutorials

Automation in LOGIC PRO X has to be handled with caution. This (subtitled) HOFA-College video shows what you have to look out for.

Kemper Profiling Amp vs. Mesa Boogie Mark V
In this video we check out the Kemper Profiling Amp. We "profile" a Mesa Boogie Mark V and compare Kemper and original.

>> the videos

Release & Introductory Prices

4U+ BlindTest, IQ-DeEsser,
IQ-Analyser V2 Standalone

Just released: 
HOFA 4U+ BlindTest allows an objective comparison of equipment (e.g. plugins) inside your DAW. Only if you do unprejudiced comparisons, you will achieve the best sound possible.

Save now with the introducory prices - only for a short time: 

>> HOFA-Plugins Winter SPECIALS

HOFA Special: Acoustic Set WINTER

You are not happy with the sound in your control room, your recording or music room?
This set is the ideal start or a perfect addition for the optimization of your acoustics - 4 Basstraps and 4 Diffusors are an upgrade for every room. Everything will sound better - promise!

4 Basstraps + 4 Diffusors 2 of them for free  + 2 Frames

>>  more info

NEW at HOFA-Plugins

The HOFA IQ-DeEsser is the new tool for editing harsh sibilants in vocals or in the whole mix.

With a specialized and very natural working voice recognition the IQ-DeEsser is very easy to use and even more intuitive.

HOFA IQ-DeEsser – DeEssing in its most natural way and a BUS-Mode that has no equal.

Check out the gearslutz forum about HOFA IQ-DeEsser.

Buy now & benefit from the introductory price!

>> show me more
>> watch video

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