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The ultimate macOS image compression utility.


Aerate is your

go-to macOS compression tool

Effortlessly compress your images without loss of quality. Aerate offers an industry leading default mode, as well as new fast and extreme presets. Switch between modes quickly using the new compression slider.   



Compresses images at results on-par or surpassing Compress 1 and Squash at a significantly faster speed.

An industry leading mixture of speed vs. compression results. Available to all, completely free.


A new mode offering extreme compression of PNG images.  Lose up to 90% of an image losslessly.

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Original Image

9.2mb uncompressed



8mb compressed (-1.2mb)

Default mode | 27.8 seconds 

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7.1mb compressed (-2.1mb)

Fast mode | 18.6 seconds 


6.9mb compressed (-2.3mb)

Default mode | 54 seconds 


Aerate Compression Desktop

Industry Leading Features

Batch-file compression

Aerate allows you to compress folder or stacks of images simultaneously.

macOS Catalina

Aerate has been built from the ground-up to work with Catalina, as well as macOS 10.10+.

PNG & JPG support

Aerate includes industry leading support for PNG compression as well as loss-setting JPG support.

PSD to JPG conversion

With Aerate, you can easily covert PSDs to JPGs. They can even be included in a batch.


With Aerate, you can automatically assign a custom extension for compressed files.

JPG metadata

Aerate can automatically remove JPG metadata, including in bulk processes. 

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Results view

The new results view allows you to easily reviews and save images individually.

PNG to JPG conversion

You can easily convert your PNG images to JPG post conversion, allowing maximum results.  

Dark mode

Aerate includes a beautiful new dark mode that can be custom toggled in preferences.



Multi-core mode

Aerate includes a first of its kind multi-core mode, that allows you to take full advantage of your CPU and compress images simultaneously. Exclusively available in Aerate Pro.

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Time to bulk reduce eight 13.5mb PNG images

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Compress PNG & JPG images

Access to Aerate's industry leading default setting.

Convert PSDs to JPGs

Remove JPG metadata

Convert PNGs to JPGs

14 day Aerate Pro Trial


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Everything in Aerate plus:

Fast mode

Extreme mode

Multi-core mode

Bulk compression

Results view and save individually

$14.99 for a limited time


Upgrade from Compress

Users of Compress 1 can upgrade to Aerate for $4.99 for a limited time.

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Upgrade from Coherence / Unite

Users of Coherence Pro 2, Coherence X, and Unite can get Aerate for $7.99 for a limited time.


Aerate for macOS

The ultimate Mac image compression utility

Supports macOS 10.10 and greater. Built for Catalina.

Every Aerate Pro license can be activated on 2 machines. For use with all 2.x updates.