With the help of the Lana Image Optimizer you can convert the uploaded images into small sized JPG’s.

Demo:
http://lana.solutions/lana-image-optimizer/wp-admin
Username: demo
Password: demo

Online Documentation:
http://lana.solutions/documentation/lana-image-optimizer/

Current version: 1.2.0

Version 1.2.0
- Improve error handling functions
- Improve WordPress Coding Standards with PHP_CodeSniffer
- Add WP-CLI command

Version 1.1.0 
- Update Image Optimizer
- Improve replace method
- Add Imagick library
- Add Gmagick library
- Add pt_BR language, thanks to the Infinit0 for the Brazilian Portuguese language

Version 1.0.0
 - Added Lana Image Optimizer