A little help getting started

At your service.

Install JMacy. Connect your browser.
Get back to your downloads.

01 / Installation

Make yourself at home.

You’ll need a Mac running macOS 14 or later, Apple silicon or Intel. JMacy is available through Setapp and is signed and notarized.

Install Setapp and sign in to your membership.
Open JMacy in Setapp and click Install.
Open JMacy from Applications. All features are included while your Setapp membership is active.

02 / Browser setup

Bring your browser along.

Get the extension from the Chrome Web Store (works in Chrome, Aside, Brave, Edge, Arc, and Vivaldi) or from Firefox Add-ons. Safari gets it from the Mac App Store as “JMacy Capture”.

Once installed, enable it in your browser’s extension settings. Choose your browser below.

Chrome

Open Chrome’s extensions settings. Find JMacy and turn the extension on.

Aside

Open Aside’s extensions settings. Find JMacy and enable it.

Brave

Open Brave’s extensions settings. Find JMacy and turn the extension on.

Edge

Open Edge’s extensions settings. Find JMacy and turn the extension on.

Arc

Open Arc’s extensions settings. Find JMacy and enable it.

Vivaldi

Open Vivaldi’s extensions settings. Find JMacy and turn the extension on.

Firefox

Install JMacy Download Capture from Firefox Add-ons, then open Firefox’s Add-ons and themes page. Find JMacy and make sure it is enabled.

Safari

Install JMacy Capture from the Mac App Store, then open Safari’s settings and select Extensions. Select the checkbox for JMacy to enable it.

Keep the JMacy app open on the same Mac, then capture a download or an mp4, mp3, or webm from the current page. It will appear in JMacy.

If the JMacy extension isn’t listed, contact support for installation help and include your browser’s name.

The extension reads cookies for the downloading site only and sends captured information only to JMacy on the same Mac. Read the extension privacy details.

03 / Contact

Let’s get it sorted.

For installation, downloads, or browser setup, contact Greycore Labs LLC. Billing and cancellation for your Setapp membership are handled by Setapp.

support@greycorelabs.com

For a technical issue, include your macOS version, your browser if relevant, and what happened.