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Dynamics (Compressor / Limiter) Plugin by Thomas Mundt
LoudMax by Thomas Mundt is a Virtual Effect Audio Plugin for macOS, Windows and Linux. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and a LADSPA Plugin.
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Overall: 17   12   17   2

30-Day: 19; 7-Day: 32; Yesterday: 30

LoudMax is a Look-Ahead Brickwall Loudness Maximizer with a clean transparent sound. It is designed to retain the original character of the music as much as possible even at high compression levels.

Main range of application:

  • Audio Mastering.
  • Output Limiter/Maximizer for web radio stations.


  • One slider for threshold, one for the output level.
  • Meters for input, output and gain reduction in relation to the desired threshold.
  • Gain reduction meter with peak hold marker.
  • Link: Output slider will be coupled to the threshold slider.
  • ISP: Inter-sample peak detection for true peak limiting.


  • True Peak Limiting.
  • Supported Samplerates: 2kHz - 384kHz.
  • Latency: 1.25ms (+ 6 samples with ISP).
  • Look-Ahead and Attack Time: 1.25ms.
  • Release Time: Automatic - depending on the input signal.
  • No audible distortion.
  • Possible Overdrive: 740dB.
  • Very low CPU usage.

Latest User Reviews

Average user rating of 5.00 from 7 reviews

Reviewed By Freeform [all]
January 7th, 2023
Version reviewed: 1 on Windows

I have VSTs I have bought for limiting, but I always find myself going to this plugin. Overall, I like it because it doesn't really affect the sound on a drastic level, and is just a good useful limiter. I generally throw this on my mains for quick exports when sharing with people and I am always pleased. I should probably experiment with it more on channels. Amazing plugin.

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Reviewed By cyrb [all]
December 31st, 2022
Version reviewed: 1.42 on Windows

The only limiter/maximizer you need. Dead simple, and helps you intuitively understand limiting and compression in general, whereas other more complex compressor plugins can leave you not understanding what exactly you're doing for years. No fuss with installation or activation.

The only thing you need to know is that it make quieter things louder than already loud things, and all without introducing clipping. A very desirable trait, since sometimes we want quieter things more audible in an overall mix, but we want to ensure that we're not distorting. Which is great not only for music but also streaming/podcasts. This of course lowers (or tightens) the dynamic range, and increases any pronounced noise floor. So it should be used sparingly if you wish to preserve dynamic range of say, a piano.

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Reviewed By Krakatau [all]
September 27th, 2022
Version reviewed: 1.42 on Mac

An amazing plugin, intuitive and dead easy to use that gives exactly what he promises to give, a transparent compression even at high level that rivals in quality with many commercial plugins, added to this very low latency, very low CPU imprint and finally it's free...so it deserves IMHO it five stars hands down .

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Reviewed By anthony598 [all]
August 24th, 2022
Version reviewed: 1.42 on Windows

Very good limiter for a quick master. Pushes drums up front in your mix very nicely. Creates a very warm and transparent sound. Great FREE Limiter, one the best if not these best free limiter. Recommend.

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Reviewed By juliandoe [all]
October 13th, 2018
Version reviewed: 1.22 on Mac

Great free plguin. Compact and easy to use it does its job very well. It does not colour the sound and there's no distortion at all.

I've compared to the Waves L2 ultramaximizer and I can't see any difference.

Highly suggested.

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Comments & Discussion for Thomas Mundt LoudMax

Discussion: Active
19 October 2017 at 1:01am

This is the best free plugin!! Thanks!!! :D.

26 January 2020 at 9:07am

Thank you Thomas a lot for this plugin and for it's portable as well.

And I wonder could you also compile a standalon ver. of one?

13 February 2021 at 5:30pm

An amazing plugin! Thank you for your generosity.

5 May 2022 at 9:17pm

Help! I just loaded LoudMax to my /library/audio folders and validated that they were in fact in the right locations. However, when I open LoudMax with my Audacity DAW in MAC running macOS Monterey v 12.3.1 the dialog box opens when selected in the DAW but there is no graphic as shown on the website (absolutely blank.) I restarted my MAC as well and still nothing.

Any assistance is greatly appreciated.

Howard f. Hulin.


29 August 2022 at 12:19pm

increase gui.it was cool.

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