This plugin can give options to site visitor can edit image online via your site.
best solution for thumbnail editing
An image field making it possible/required for the user to crop the selected image to the specified image size or dimensions
Manual cropping of images for different sizes
Crop images in WordPress easier from featured images + Image Cropper Gutenberg block
Fix image sizes after you have changed image sizes from Media Settings. Ensure your images display consistently across your website.
Crop images at lightspeed by adjusting focal points. Easier and faster than ever before!
An easy way to leverage image region metadata on your site. Made by Frameright. Power to the pictures!