Those of you who frequently get stuck due to memory requirements are surely in need of softwares like these to find a way out.
Cool PDF Reader : The world’s smallest PDF viewer/reader to view, print, and convert PDF files to TXT, BMP, JPG, GIF, PNG, WMF, EMF, EPS. It is only 626KB for download and doesn’t need lengthy installation, just download and run. Freeware!