iZotope Ozone

iZotope Ozone



This program received 6 awards

Video tutorial & screenshots

  • Main window
  • Main window
  • Program view 2
  • Program view 1
  • Mastering
  • Loudness
  • Harmonics
  • Dynamics
  • Main

Editorial review

All comments (1)

Luis Sanchez Senior editor

The following review written by one of the Software Informer contributors applies to version 3.0
The iZotope Ozone 3.0 program is a complete 64 bit analog modeled mastering suite of all the tools necessary to master commercial sound and produce higher quality audio.

Available for formats Pro Tools 6.4+ (RTAS Audio Suite/HTM), VST, MAS, Audio Unit, and DirectX, instead of a varied amount of plug-ins, users have the advantage of Ozone’s 7 plug-ins in one.
Users can master tracks in for 16 bit CDs from a 24 bit source, by converting and dithering to 24, 20, 16, 12, or 8 bits. The Dither module features include a proprietary MBIT and noise-shaped dither, and peak limiting and harmonic suspension. Ozone 3’s evolutionary MBIT+ dither algorithm reduces quantization distortion with minimal perceived noise, creating a smooth, quiet noise.

Practical Mast Modules full of features include Multiband Stereo Imaging enabling users to set widening and imaging. The Mastering Reverb module in this program is a high quality 64 bit module that is designed to add an even more professional element to final mixes by allowing users to use reverbs on individual tracks to give a sense of space. This module also features options for mono, phase flip and channel reverse. For tone balancing, Ozone 3 includes an analog modeled Paragraphic Equiliser module with 8 fully adjustable filter nodes for tone balance. Another important feature of this software is its Multiband Harmonic exciter which has been modeled on analog tube saturation providing a more natural sounding excitation. A Mastering Guide is provided as well as Video tutorials.


  • Unlimited undo with history list.


  • Slightly expensive for young producers.

What's new in version 6.0

What's New in Ozone 6

Ozone 6 features the largest user-interface overhaul in iZotope history. We’ve created an elegant and striking visual aesthetic that guides users through every stage of the mastering process. Alongside a fluid workflow, the creative elements of mastering are now front and center, so users can define their own sound with ease.

If you own a previous version of Ozone, log into your iZotope account to upgrade now.
Ozone 6 Advanced Highlights

Dynamic EQ Module

Ozone Advanced adds the new Dynamic EQ module, an EQ that lives and breathes with your music. Harness the precision of an equalizer with the musical ballistics of a compressor. Integrated with an intuitive workflow, these processors work in concert to create a valuable mastering tool that excels where traditional EQs and compressors fail.

Dynamic EQ Component Plug-in

Ozone 6 Advanced also includes a component Dynamic EQ plug-in for use throughout your audio editing software signal chain.
Ozone 6 Highlights

New Analog Hardware-modeled EQ filter shapes

Harness the sonic characteristics of classic EQ designs with new filter shapes including Baxandall Bass and Treble filters and API-style Proportional Q filters. Also new to Ozone 6 are Band Shelf filters and Resonant High and Low shelves.

Surgical Mode

All digital linear-phase filters are now matched to analog shapes;
however, Surgical Mode allows you to utilize the precision of digital shapes for extreme cuts with minimum slope.

Variable EQ Phase Control

Digital linear-phase filters now feature per-node variable phase control for subtly adding phase delay to smooth out boosts that may sound harsh.

Seamless Bypass

Audition changes to your audio by gain-matching bypassed audio to your Ozone-processed signal for faster and more accurate A/B testing.

Customizable Signal Chain

Host your third-party VST/AU plug-ins in the standalone application. Then build your mastering signal chain from scratch or load a preset and add, remove, and swap the order of modules.

Module Gain Meters

Monitor gain-staging across processing modules with Module Gain Meters that instantly illustrate where you’re boosting and cutting gain across your signal chain.

Transient Emphasis

Preserve rhythmic detail while maximizing loudness with Transient Emphasis, which adds smart emphasis to transients by preserving sharp attacks.

Triode and Dual Triode Exciter Modes

Modeled after actual hardware circuitry, these Exciter modes offer vintage saturation from subtle warmth to more pronounced edge.

Stereoize Control

Add width to narrow or mono recordings without introducing phase artifacts.

Variable Knee Compression

Get precise control over compression characteristics by choosing between hard and soft compression.

Dynamics Detection Enhancements

Simulate smoother analog-style compression with both High-Pass and API Thrust-inspired Tilt filters. Use the True Envelope detection mode for RMS-style compression (flat frequency response and low distortion) triggered equally across the frequency spectrum.

New Presets

All newly designed presets utilize the improvements introduced in Ozone 6 including new Component Plug-in Presets with Ozone Advanced.

Standalone Application

Now available as both a plug-in and as a standalone application, Ozone 6 adds a number of forward-thinking features that simplify traditional mastering workflows, including:
Automatic color-coded waveform segmentation.
Tops/tails trims and fades with multiple shape types.
Third-party plug-in hosting (VST/AU Support).
Single/all-track export with iZotope SRC (sample rate conversion).
Auto-adjusted MBIT Dither at output.
Fully contained project folders.

Publisher's description

This official description applies to version 6.0

iZotope Ozone is a professional quality sound mixer. It includes two equalizers that combine eight bands of adjustable filters with a variety of filter shapes to choose from. You can use the first EQ for initial shaping of your master, then take advantage of Ozone 6's Post Equalizer for even more shaping later on in your signal chain.

Latest comments

  • 0
    tommy mauro 5 years ago

    I have been doing this for a long time now and I have demoed many product's that simply did not do what the company said they would do . I must say for those of you who have a project studio and want a all around great mastering software this is it . IzOTOPE 4 may be alittle pricey for our younger studio owner's . But you get what you pay for and this is worth $249.00 dollar's because you are never disappointed in the way it work's and it is user friendly. SO RECORD ON AND ENJOY THE MUSIC MY FRIEND'S , Tommy Mauro/ Ouraymoon Production's