Item: Imager – Amazing Image Tool for WordPress

The plugin allows to create unlimited image sizes, regenerate the thumbs and to add css filters and animations directly from WP’s Media Section. 

Unlimited image sizes + Thumbs Regeneration + CSS Filters and Animations + Watermarkers!
Features

+ Custom thumb sizes
+ Unlimited sizes
+ WP Cropping
+ Manage sizes as Posts
+ Save your sizes from WP or Theme Updates
+ Regenerate all thumbnails in 1 Click
+ Global and Automatic filtering
+ Find your custom sizes in WP MEDIA select
+ Add 31 different CSS Filters to the thumb
+ Remove filter on Mouse over
+ Add your own Watermark image
+ Add 30 different CSS Animation to the thumb
+ Manage the options in “ADD MEDIA” (editor)