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Best FREE Saturation Plugins of 2023

Here are a collection of FREE saturation plugins you should checkout !


Through a combination of dynamic saturation functions, modulation, and trademark infringement, this plugin is guaranteed to take your tracks from bleh to meh.

Szechuan saturator is unique because it changes the saturation function continuously as the volume of the input signal changes

System Support

Compatible with mac and windows. includes AU and VST3 plugin files.

2.G-SAT+ by TBPro Audio

GSat+ is derived from the saturation module on the TBProAudio CS5501V2 channel strip plug-in, but adds extra features requested and suggested by the team. It has several different saturation modes, high tweakability, oversampling, old-school VU meters and cross-platform software compatibility - as well as a button to take you directly to in case you need any tips, tricks or inspiration or want to swap presets with other users.

System Support

Windows 32/64 bit (GPU) 32/64 bit VST, VST3 and AAX

Mac 64 bit (Intel, Arm, GPU) 64 bit VST, VST3, AAX and AU

3.X-TUBE by Xenium Audio

X-Tube is a Microsoft Windows VST plugin that simulates tube amplifier saturation effect. VST plugin can be used in Microsoft Windows 32/64bit (XP SP2 or later, Windows 7) OS with any VST DAW.

System Support

Windows [32-bit,64-bit]

4.MIA FAT by Mia Laboratories

Maximises low frequencies in a friendly way to the new generation of sound systems.

Adds the desired extra Grease in your sound with the turn of just one knob.

Recommended for club mixes and genres such as Techno, Dub, Reggae and RnB.

There is no “wrong” way to use this plugin. Just add to taste!

System Support

Windows 7, 8, 10 (64 bit)

Any intel based MacOS 10.7 to 11.6

AAX (64-bit)AudioUnit VST 2


Tube Saturator Vintage is a free reissue of the original Tube Saturator. It uses circuit simulation technology to faithfully reproduce the sound of a dual triode preamp. While it sounds great, the circuit simulation technology is very CPU intensive, that’s why we developed its successor, Tube Saturator 2. Tube Saturator 2 is vastly more efficient, nearly identical in simulation accuracy, and adds other features

System Support

OS-X 10.11 to MacOS 13 (Ventura) Apple Silicon natively supported (AU, VST2, VST3, AAX)

Windows 7/8/10/11 AAX – Pro Tools 10.3.5 and higher

6.PRE BOX by Analog Obsession


- 11 Selectable Preamp Models

- +/- 24dB Input Gain with AGC

- +/- 24dB Output

- Selectable HPF (FLAT - 80Hz - 300Hz - 300+80Hz)

- Selectable LPF (FLAT - 3kHz)

- ANALOG OBSESSION (Label) will engage 4x Oversampling

System Support

VST/VST3/AU | Mac 10.9 - 12.X

VST/VST3 | Windows 7 - 8 - 10 - 11

7.BPD SATURATOR by Bedroom Producers Blog

With BPB Saturator, you can apply tube-style and tape-style saturation to your audio. Use them separately or combine both saturation types for a cumulative effect. Pass the audio signal through a virtual tube preamp and tape machine. We also included a pair of transparent filters to help remove unwanted frequencies.

System Support

Available for Windows & macOS;

32-bit & 64-bit compatible;

VST2/VST3/AU/AAX plugin formats.


AdHd Leveling Tool is a Tube Leveling Amplifier inspired by the legends and carefully crafted to meet your compression needs.The ideal compressor for vocals.Perfect for giving character and taming the peaks on any track in the mix.

System Support

Windows VST/VST3 64/32 bit host compatible, AAX 64 bit only

Mac AU/VST/VST3 64/32 bit host compatible, AAX 64 bit only

9.SGA1566 by Shattered Glass Audio

SGA1566 brings the authentic tone of a single channel vintage all tube mic preamplifier. The whole circuit is simulated in real time using the high performance circuit simulator to recreate every nuance of the preamp circuit, from subtle coloration to overdrive and distortion.

Use SGA1566 to add warmth to a track, as a saturation compressor, or to add "dirt" with tube overdrive.

System Support

Mac: macOS 10.7+.VST, AU Windows: XP, 7, 8. VST


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