This plugin transforms the native WordPress gallery into a gallery that organizes your images into horizontal rows of the same height while preserving the original aspect ratio of each photo, preventing unwanted cropping and perfectly filling the gallery container.
Works with both the classic gallery shortcode and the new Block Editor (Gutenberg) gallery block.
Screenshots
Responsive Gallery Grid in action. By default the images will pop out on mouse-over.
The gallery shortcode can be extended with some options, from the text editor.
From the WYSIWYG view the gallery looks like an ordinary Wordpress gallery, so you can easily add and remove pictures the way you are used to.
You can pimp each individual gallery to your needs by updating the gallery shortcode parameters. (Check out the documentation)