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Simple Image Sizes
Simple Image Sizes

Simple Image Sizes

4.6/5 (90 ratings) 60K+ active installs Updated Apr 14, 2026
Screenshot 1

This plugin lets you create custom image sizes for your site. Override your theme sizes directly on the Media settings page, regenerate thumbnails, and copy add_image_size PHP for your theme.

ℹ️ Simple Image Sizes, a Mediapapa product

Simple Image Sizes will always remain free. It is actively maintained by me (Nicolas Juen). I’m also building Mediapapa, a complementary plugin focused on understanding and organizing your media library. > More on these changes

Features

  • Insert images in posts at the right size using your custom sizes.
  • Control whether each size appears in the “Insert media” size dropdown.
  • Regenerate thumbnails in bulk from Settings Media, and pick which sizes to rebuild.
  • Copy generated add_image_size PHP for your theme when you want to keep sizes and deactivate the plugin.
  • Regenerate from the Media library: one file at a time or with list bulk actions.
  • Regenerate from a single attachment’s edit screen.
  • Approximate end time and clearer feedback while bulk regeneration runs.

Contribute on GitHub directly.