Unretina is a tool for iOS developers to easily resize their 2x images in seconds! Great for testing out non-retina devices before the big painful export from Photoshop. Supports .png .jpg .tif and .bmp.
What’s new in version 1.4
Updated on Jan 08 2011
Version 1.4:
OS X 10.7 Lion / OS X 10.8 Mountain Lion support
Name changed from Unretina/Unretiner to Resizer. Please don't pay for other apps who are charging & passing themselves off as us *cough* :) Nice to be back!