[OT] Best duplicate image finder

[robinsiebler]

I am looking for a program that has the following features:

1. Finds *exact* duplicates
2. Optionally finds ~almost~ exact duplicates, i.e. slightly different pose or perhaps a logo.
3. Finds images that are the same but have a different resolution.
4. Makes it easy to choose which images are to be deleted.

I have ACDSee 6.0, which performs #1 quite nicely and fails miserably at #4.

Any suggestions?

[Hacker]

ImageDupeless
http://www.imagedupeless.com/en/

HTH
Roman

[ZoSTeR]

I use Image Dupeless and Image Dupe

[SanskritFritz]

A free alternative is Dup Detector
I use it a lot, works good, although a pretty basic one, not too much options. Careful, the website is one of the worst i have ever seen