Regenerate thumbnail plugin automatically modifies the dimensions of old images in a website that have been uploaded earlier on the site. It eliminates the hassle of manually changing the image sizes in old posts after you have customized the height/width of the featured images in your site. However, the thumbnail regenerating plugin may have problems that non-technical people cannot resolve. Therefore, if you want to regenerate all thumbnails in your website, contact us. We will use the relevant plugin for automatically regenerating all thumbnails without any hassle.