Are you looking for a excellent app to browse thousands of photos quickly? FastPreview might help you on it, FastPreview is simple, very functional and well design, works very fast and smooth.
1> Preview thousands of photos at lightning speed.
2> Display all photos in the same folder without needing to select one by one.
3> Browse your photos at thumbnail mode.
4> Edit your photos with fundamental editing tools.
5> Simple share photos via Facebook, Twitter, Flickr, mail and message.
6> Powerful batch processing tools help you resize or convert multiple photos.
7> Supports most of popular photo formats, including most of RAW files.
8> Play animated GIF.
9> Displays your photos in incredible high-resolution on Retina screen.
10>Multi-Touch support for trackpad
Try it, we wont let you down.