Alexandru Vornicescu

This is a WordPress plugin.
If you want to resize images in your posts automatically so the page will load faster and use less bandwidth then this plugin can help you.
To take effect just open a post or page and all images in that post will be resized to a smaller version.
It will replace the URLs of the images that are too big with URLs of the resized images that will fit into the posts.
The plugin will keep the original copy of all image files.
Note: With version 4.3 now you can resize images in Text Widgets.
Note: The filter – “wp_make_content_images_responsive” will be deactivated because with this plugin we will not need anymore.

Resize Images In Posts

This plugin will resize images in your posts.

bo.lipai

With the help of this plugin you will be able to resize to any dimmension and 
crop all images from your WordPress library.
The plugin introduces a visual and very simple to use image editor. The croped 
image will retain the aspect ratio define by WordPress so no more missing 
important parts from your images.

Crop and Resize Images

Crop and Resize Images Plugin allows you to easily modify WordPress uploaded images.

Resize Images In Posts vs Crop and Resize Images