Detwinner is a tool to search and remove exact file duplicates and similar images.

You can search for either exact duplicates (100% byte-to-byte match is ensured by the special hash function) or similar images (Detwinner generates groups of images that look alike using similarity level specified by you). You can also narrow your search by specifying file size, attributes and regular expressions.

Smart selection tools provide numerous options for batch selection of files which should be deleted. Instant preview allows you to be confident in your choice.

Files can be deleted permanently, to the trash bin or moved to the backup folder.