CMAvatar

As administrator you can configure
- where avatar files are stored
- maximum file size is allowed to upload
- avatar width
- what file extensions are allowed to upload

Avatar files are resized and convert to JPG image file, then are stored in your defined folder.

To display avatar on your website, you need add some PHP code to where you want to display avatar, please see the documentation for more info.

Download and source code: https://github.com/cmextension/cmavatar/
Documentation: http://cmavatar-docs.readthedocs.org/

Demo site is not available, please try the plugin by yourself to see how it works, you can check the documentation for some screenshots.