Sorl-thumbnail provides a convenient way to create and manage image thumbnails in a Django project. It offers integration into several parts of Django like the admin system by showing thumbnails for ImageFields or through a ImageField that also takes care of deleting thumbnail files when the referencing object is removed.

Other features include:
* Django storage support
* Pluggable Engine support (PIL, pgmagick, ImageMagick, GraphicsMagick,
or Wand)
* Pluggable Key Value Store support (Django cache, redis)
* Pluggable Backend support (i.e. different thumbnail filename schema)
* Dummy generation (placeholders)
* Flexible, simple syntax, generates no html
* CSS style cropping options
* Margin calculation for vertical positioning