The essential resize app for iOS developers! Easily convert @2x or -hd images for testing on non-retina devices. Just drag and drop images onto the app and choose the output folder. Supports various file formats, including .png .jpg .tif, .bmp, and other.
Unretina 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. The program lies within Design & Photo Tools, more precisely Viewers & Editors.
This free application is developed for Mac OS X 10.7 or later. The most popular versions of Unretina for Mac are 1.4 and 1.0. The bundle identifier for this application is com.bonobolabs.unretina. This free Mac application is an intellectual property of Bonobo Labs. We recommend checking the downloaded files with any free antivirus.
From the developer:
★ Formerly Unretina / Unretiner, this is the original, and most popular resize app for developers! (Name changed at Apple's request).
Develop iOS apps? Easily resize your @2x or -hd cocos2d images in seconds! Great for testing out non retina devices before the big painful export from Photoshop.
Supports .png .jpg .tif and .bmp.
You may want to check out more Mac applications, such as Unretiner or IconKit, which might be similar to Unretina.