VarieDrop Portable (64-bit) generates multiple-size-images in one operation. The process is started from the drag-and-drop or "Sent To" menu. You can shrink and append string to output file name.
Full Specifications
What's new in version 1.2.1.1
Version 1.2.1.1 has fixed a bug related to JPEG save the file size limit is specified.
General
ReleaseJune 1, 2013
Date AddedJune 1, 2013
Version1.2.1.1
Operating Systems
Operating SystemsWindows 8, Windows Vista, Windows, Windows 7, Windows XP