In addition to the default thumbnail sizes added by WordPress, themes and plugins can also register thumbnail sizes they want WordPress to automatically create when you upload an image.
Divi Thumbnails
The following are thumbnail sizes registered by Divi and the modules that use those thumbnails:
- et-pb-post-main-image – 400 x 250 (blog module – grid layout)
- et-pb-post-main-image-fullwidth – 1080 x 675 (blog module – fullwidth layout)
- et-pb-portfolio-image – 400 x 284 (portfolio module – grid layout)
- et-pb-portfolio-module-image – 510 x 382 (portfolio module – carousel & fullwidth grid layout)
- et-pb-portfolio-image-single – 1080 x 9999 (single portfolio post)
- et-pb-gallery-module-image-portrait – 400 x 516 (gallery module)
- et-pb-post-main-image-fullwidth-large – 2880 x 1800