FREE Mastering Plugins you Should Check Out !

Mastering is one of the final stages in music production. This is where you bring your mix to life by tuning frequencies, adding compression, saturation, stereo width, and finally bringing your overall loudness to the right level. If you are just starting off in mastering and looking to buy plugins that are dedicated to mastering, it can be extremely expensive. So here are some great free options that you can try out and see which one suits you the best to the kind of music you do.

Plugins are categorised in no particular order.

ANALYSERS

Manalyzer By Melda Productions

Download Link - https://www.meldaproduction.com/MAnalyzer

System Requirements

▷ Windows 8 / 10 / 11 (64-bit) [ VST / VST3 / AAX compatible host (64-bit) ]

▷ macOS 10.14 Mojave to macOS 12 Monterey (64-bit) [ VST / VST3 / AU / AAX compatible host ]

▷ M1 (native Apple Silicon ARM CPU) support

SPAN Plus by Voxengo

Download Link - https://www.voxengo.com/product/spanplus/

System Requirement

▷ Windows (32- and 64-bit Windows XP, Vista, 7, 8, 10 and later version

▷ macOS (10.11 and later version,Apple Silicon native, Big Sur, Monterey, and Ventura are supported

FreqAnalyst by Blue Cat Audio

Download Link - https://www.bluecataudio.com/Products/Product_FreqAnalyst/

System Requirement

MacOS

▷ An Intel or Apple Silicon processor.

▷ Mac OS 10.9 or newer.

▷ Any VST / Audio Unit / AAX compatible application (64-bit) .

Windows

▷ An SSE2-enabled processor (Pentium 4 or newer).

▷ Microsoft Windows Vista, Windows 7, 8 or 10.

▷ Any VST / AAX compatible host software (32 or 64 bit).

MultiInspector by Vertex Audio

Download Link - https://www.vertexdsp.com/products_multiinspectorfree.html

System Requirement

Windows:

▷ Windows XP/Vista/7/8.

▷ VST 2.4 compatible host software.

Mac OS X:

▷ Mac OS X 10.4/10.5/10.6/10.7/10.8.

▷ VST 2.4 or AU compatible host software. Universal Binary, PowerPC and Intel supported

LIMITERS

VladG Limiter N°6 By Tokyo Dawn Records

Download Link - https://www.tokyodawn.net/vladg-limiter-n6/

System Requirement

VST plugin format for Windows and Mac.

[the product no more actively supported. Compatibility with modern systems is not guaranteed.]

Loud Max V1.42 by Loudmax

Download Link - https://loudmax.blogspot.com

System Requirement

▷Windows (VST 2.4 and VST 3 Plugin)

▷ Mac OS X, VST 2.4 and VST 3 Plugin ,Audio Unit Plugin for Mac OS X/ Intel Mac and ARM64 based Silicon.

Frontier by D16 Group

Download Link - https://d16.pl/frontier

System Requirement

▷ Windows 7 or newer [ VST2 / VST3 / AAX compatible host application (32bit or 64bit)]

▷ Mac OS X 10.9 to macOS 12 [Supports Apple Silicon]

Unlimited by Sonic Anomaly

Download Link - https://web.archive.org/web/20181203014924/http://sonic.supermaailma.net/plugins

System Requirement

▷ VST (PC / Windows 7+)

EQUALIZERS

Overtone GEQ by Voxengo

Download Link - https://www.voxengo.com/product/overtonegeq/

System Requirement

▷ Windows (32- and 64-bit Windows XP, Vista, 7, 8, 10 and later version

▷ macOS (10.11 and later version. Apple Silicon native, Big Sur, Monterey, and Ventura are supported.

AudioUnit, AAX, or VST

Rare SE by Analog Obsession

Download Link - https://www.patreon.com/analogobsession/posts

System Requirement

▷ Windows & macOS VST, VST3, and AU plugin formats

TDR Nova by Tokyo Dawn

Download Link - https://www.tokyodawn.net/tdr-nova/

System Requirement

▷ Win XP SP2 or above, Mac OS X 10.9 or above.

SonEQ by Sonimus

Download Link - https://sonimus.com/products/soneq

System Requirement

▷ Mac OSX 10.6 or newer

▷ Windows XP or newer

▷ Audio Unit, VST 2.4, VST 3, AAX, RTAS. All platforms support both 32 and 64 bit operation.

VOS SlickEQ by Tokyo Dawn Records

Download Link - https://www.tokyodawn.net/tdr-vos-slickeq/

System Requirement

▷ Win XP SP2 or above, Mac OS X 10.9 or above.

COMPRESSORS

MCompressor by Melda Productions

Download Link - https://www.meldaproduction.com/MCompressor

System Requirement

▷ Windows 8 / 10 / 11 (64-bit) [ VST / VST3 / AAX compatible host (64-bit) ]

▷ macOS 10.14 Mojave to macOS 12 Monterey (64-bit) [ VST / VST3 / AU / AAX compatible host ]

▷ M1 (native Apple Silicon ARM CPU) support

SpecComp by Analog Obsession

Download Link - https://www.patreon.com/posts/specomp-51285294

System Requirement

▷ VST/VST3/AU | Mac 10.9 - 12.X

▷ VST/VST3 | Windows 7 - 8 - 10 - 11

Kotelnikov by Tokyo Dawn

Download Link - https://www.tokyodawn.net/tdr-kotelnikov/

System Requirement

▷ Win XP SP2 or above, Mac OS X 10.9 or above.

DCAM Free Comp by Fxpansion

Download Link - https://fxpansion.com/products/dcamfreecomp/

System Requirement

▷ 32-bit & 64-bit VST/AU/AAX plugin format for Windows & macOS

Leveling Tool by ADHD Tools

Download Link - https://audiotools.se/downloads/leveling-tool/

System Requirements

▷ 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

SATURATION

Tube Amp by Voxengo

Download Link - https://www.voxengo.com/product/tubeamp/

System Requirements

▷ Windows 8 / 10 / 11 (64-bit) [ VST / VST3 / AAX compatible host (64-bit) ]

▷ macOS 10.14 Mojave to macOS 12 Monterey (64-bit) [ VST / VST3 / AU / AAX compatible host ]

▷ M1 (native Apple Silicon ARM CPU) support

Tube Driver by Nick Crow Lab

Download Link - http://nickcrowlab.blogspot.com/2009/08/tubedriver-v10.html

System Requirement

▷ Windows (VST 32 and 64bit) and Mac OS X (VST and AU 32 and 64bit).

IVGI by Klanghelm

Download Link - https://klanghelm.com/contents/products/IVGI.php

System Requirement

▷ 32-bit & 64-bit VST/AU plugin for Windows & macOS).

Tube Saturator Vintage by WaveArts

Download Link - https://wavearts.com/products/plugins/tube-saturator-vintage/

System Requirement

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

▷ AAX - Pro Tools 11 and higher

▷ Windows 7/8/10/11

▷ AAX – Pro Tools 10.3.5 and higher

IMAGER

Ozone Imager by Izotope

Download Link - https://www.izotope.com/en/products/ozone-imager.html

System Requirement

▷ macOS Catalina (10.15.7) – macOS Monterey (12.6.x) * * Supported on Intel Macs & Apple silicon Macs (Apple M1 chips) in Rosetta and native.

▷ Windows: Windows 10 – Windows 11

▷ AU, AAX, VST2, VST3.

Wider by Polyverse

Download Link - https://polyversemusic.com/products/wider/

System Requirement

Supports VST2 / VST3 / AU / AAX plug-in formats

For Windows 64bit and OSX 10.9+ 64bit

MSED by Voxengo

Download Link - https://www.voxengo.com/product/msed/

System Requirement

▷ Windows (32- and 64-bit Windows XP, Vista, 7, 8, 10 and later version

▷ macOS (10.11 and later version. Apple Silicon native, Big Sur, Monterey, and Ventura are supported.

AudioUnit, AAX, or VST

MStereoExpander by Melda Productions

Download Link - https://www.meldaproduction.com/MStereoExpander

System Requirement

▷ Windows 8 / 10 / 11 (64-bit) [ VST / VST3 / AAX compatible host (64-bit) ]

▷ macOS 10.14 Mojave to macOS 12 Monterey (64-bit) [ VST / VST3 / AU / AAX compatible host ]

▷ M1 (native Apple Silicon ARM CPU) support

Stereotool V3 by Flux

Download Link - https://www.flux.audio/project/stereo-tool-v3/

System Requirement

▷ Windows 10 – 64bit and latest

▷ MacOS 10.12.6 Sierra and latest

▷ VST 2 – 64bitAudioUnit – 64bitAAX Native (64bit)

METERING

Loudness Meter by Youlean

Download Link - https://youlean.co/download-youlean-loudness-meter/

System Requirement

▷ Windows 7 or newer versions – 32 Bit, 64 Bit ▷ macOS 10.9 or newer versions – 64 Bit, Intel – Apple Silicon ▷ Available as APP, VST2, VST3, AU, AAX

dpMeter5 by TBProAudio

Download Link - https://www.tbproaudio.de/products/dpmeter

System Requirement

▷ 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

Multi-Band Correlation Meter by Voxengo

Download Link - https://www.voxengo.com/product/correlometer/

System Requirement

▷ Windows (32- and 64-bit Windows XP, Vista, 7, 8, 10 and later version

▷ macOS (10.11 and later version. Apple Silicon native, Big Sur, Monterey, and Ventura are supported.

AudioUnit, AAX, or VST

OTHERS

ISLO8 by TBProAudio

Download Link - https://www.tbproaudio.de/products/isol8

System Requirement

▷ 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