Thumbnails for Django. The original and the best

• Storage support
• Pluggable Engine support (ImageMagick, PIL, pgmagick included)
• Pluggable Key Value Store support (cached db, redis)
• Pluggable Backend support
• Admin integration with possibility to delete
• Dummy generation (placeholders)
• Flexible, simple syntax, generates no html
• ImageField for model that deletes thumbnails
• CSS style cropping options
• Margin calculation for vertical positioning

Read more in the documentation (latest version)

Format preservation has been added. To preserve format set settings.THUMBNAIL_PRESERVE_FORMAT = True.

Gracefully degrades and defaults to using settings.THUMBNAIL_FORMAT.

Applications that currently use sorl should not notice any difference in functionality unless settings.THUMBNAIL_PRESERVE_FORMAT is set explicitly set to True.

Everything documented here: http://thumbnail.sorl.net/ and:

<img src="{% thumbnail obj.image "200x150" crop="center" %}"/>