iScale @2x 1.4 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free Mac app is a product of Writes for All Inc. The program lies within Design & Photo Tools, more precisely Viewers & Editors.
From the developer:
Easily scale your @2x and hd images for non-retina devices with this time saving app. Just drag-and-drop images (.png, .bmp, .jpg, and .tiff) with the @2x suffix or -hd suffix (for Cocos2d games) and let iScale @2x generate your standard definition graphics for you.
You may want to check out more Mac applications, such as 2X Client Lite, 2X RDP or 2X Client RDP Remote Desktop, which might be similar to iScale @2x.