Checked September 2026 · 11 picks

Best Mastering Tools (2026)

The best mastering tools are OTT, BandLab Mastering and eMastered. OTT is best for aggressive multiband upward/downward compression (Free). BandLab Mastering is best for bandlab users who want free instant AI mastering with genre-style presets (Free). eMastered is best for producers who want a free instant AI master before committing to a paid plan (price not published).

1. 

   #1Xfer Records

   OTT

   FREE

   Free three-band upward/downward multiband compressor originally from Ableton's Multiband Dynamics preset.

   VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
2. B

   #2BandLab Technologies

   BandLab Mastering

   FREE

   Free AI-powered instant mastering built into the BandLab music-making platform.

   VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINnot supportedMACnot supportedLNXnot supported+ Web · iOS · Android
3. 

   #3eMastered

   eMastered

   PAID

   AI online mastering engine built by Grammy-winning engineers, with a free first master.

   VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINnot supportedMACnot supportedLNXnot supported+ Web
4. 

   #4FabFilter

   FabFilter Pro-L 2

   $199once

   Loudness limiter with eight limiting algorithms and true peak limiting for mastering.

   VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXnot supported
5. 

   #5FabFilter

   FabFilter Pro-R 2

   $199once

   Algorithmic reverb with musical Brightness/Character/Distance controls and Decay Rate EQ.

   VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXnot supported
6. 

   #6LANDR

   LANDR Mastering

   $10once

   AI-powered online mastering with unlimited free previews and pay-per-track or subscription pricing.

   VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINnot supportedMACnot supportedLNXnot supported+ Web
7. 

   #7Masterchannel AS

   Masterchannel

   $15/mo

   Human-verified AI mastering service that individually masters each track without presets.

   VST3not supportedAUnot supportedAAXnot supportedCLAPnot supportedWINnot supportedMACnot supportedLNXnot supported+ Web
8. 

   #8iZotope

   Ozone 12 Advanced

   $499once

   AI-assisted mastering suite with 20 modules for finishing and polishing full mixes.

   VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
9. 

   #9iZotope (Native Instruments)

   Ozone 12 Standard

   $219once

   All-in-one mastering plugin with 14 pro modules and AI-powered mastering assistant.

   VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
10. 

    #10Tokyo Dawn Records

    TDR Kotelnikov

    FREE

    Free wideband mastering compressor combining high fidelity control with musical flexibility.

    VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
11. 

    #11Tokyo Dawn Records

    TDR VOS SlickEQ

    FREE

    Free mixing/mastering EQ with four vintage-modeled EQ character options.

    VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported