this app helps you to compress and resize the image and its aspect ratio.
How to use -
step 1 - click on upload image and initially it ask permission to allow to access files in your phone/tablet.
step 2 - again click on upload image and select an image, you want to compress or resize.
step 3 - click on compress button and fill the width,height and name according to your need.
step 4 - click on compress button in dialog box , a image file will save in your internal storage ,under "image_compress_files" directory.

***hope this will work for you***