Steve’s Gallery Helper

Turn the native WordPress gallery block to a clean lightbox of slides with one click. User can navigate slides by click, swipe, keyboard arrows, or automatic advancing. Styling has been kept minimal to easily adapt to your theme’s defaults, and coding is unobtrusive to prevent conflicts. WCAG 2.2 compliant. No dependencies, no fluff and no bloat.

Gallery Inside Details Block

Active 1.7.3 6 KB updated: 02/20/2026 10:39 AM Find On WordPress

Gallery Helper is a lightweight and unobtrusive lightbox/slideshow add-on to WordPress's image gallery block.

  • Upload the unzipped directory to your plugins folder, and activate in the admin
  • Or install the zipped folder using the "Upload Plugin" option in admin and activate
  • Add a gallery block to your page, post or cpt like usual.
  • Check "Enable Lightbox"" in the gallery block settings.
  • Optional: choose automatic slide advancing.
  • That's it
  • = 1.7.3 =
  • * Fixed duplicate event listeners that could cause multiple lightboxes to open.
  • * Ensured compatibility with galleries inside nested blocks (e.g., Accordions, Details).
  • = 1.7.2 =
  • * fixed enqueue_frontend_assets so plugin files only load when the gallery helper is in use.
  • = 1.7.0 =
  • * Added smooth fade transitions for swipe gestures (touch and mouse drag)
  • * Added grab cursor for desktop mouse swipe indication