How to save image in original size in Wordpress?

Good afternoon. I disabled the WP on the website generate all image sizes except the thumbnail. Folder Uploads are two options pictures - the original and the thumbnail. How to make so that remained only thumbnail and original image were removed after circumcision. Perhaps someone has done this or is there a plugin?
June 5th 19 at 21:00
1 answer
June 5th 19 at 21:02
Why do you need it? How to remove or change the thumbnail if it is generated using the main image? Download media image the right size immediately
I have a large number of images that are downloaded to the machine. They are different sizes and I need them all cut off and there was only a cropped version. - trenton commented on June 5th 19 at 21:05

I'm using it - meagan.Bruen54 commented on June 5th 19 at 21:08
EWWW Image Optimizer - crop the image to remove the source. The same is WP SMUSH It - rosario.Marv commented on June 5th 19 at 21:11

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