LookDisk allows you to search for duplicate files by name or content.

Search for a text in any file including PDF-Files; search for files using various parameters such as file size, date, attributes; and display disk overview (total size, free space).

LookDisk Features:
 
Search for duplicate files by name or content 
Search for files using various parameters (file size, date, attributes)
Search for a text in any file (also within PDF-Files)
Display disk overview (total size, free space)
All search functions support following archive types: ZIP, CAB, ARJ, RAR, LZH, 7-Zip, TAR, GZIP (*.gzip, *.gz. *.z)