Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Slenderbox
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Build a photo community with responsive galleries, PhotoSwipe browsing, frontend uploads and crop, resize, rotate and flip tools.
CP Image Store with Slideshow is an online store for the sale of image files: images, predefined pictures, clipart, drawings, vector images.
LightPress Lightboxv2.3.5
Simple, lightweight lightbox plugin for WordPress. Formerly the WP JQuery Lightbox.
Upgrade your default WordPress gallery into a beautiful, mobile-friendly lightbox popup. Supports images, videos, and 3 unique gallery styles.
Lightbox slider plugin is allow users to view larger versions of images, simple slide shows and Gallery view with Responsive grid layout.
Firelight Lightboxv2.3.25
Formerly Easy Fancybox. The most popular WordPress lightbox plugin. Simple, fast, and responsive. Opens images, videos, PDFs, and custom popups.
Create responsive WordPress image galleries with per-image captions, typography controls, hover effects, and an optional lightbox.
WP Lightbox 2v3.0.7
WP Lightbox 2 adds stunning lightbox effects to images and galleries on your WordPress site.
Responsive image gallery block for Gutenberg – photo galleries with grid & Polaroid layouts, albums, lightbox popups, and Pro Masonry & 3D layouts.