Paperclip processor that is aware of the faces detected on the image so that they don't get cropped or aren't shown too small while generating the thumbnails

Removes stamps and watermarks from scanned images for OCR, 'removes specks'

Generate thumbnail versions of image files

file upload and rmagick image resizing

Drop-in image thumbnailing for your Rack stack.

Want beautiful copyright-protected browser-compatible custom-smoothed & kerned fonts? Magick Title delivers just that by using imagemagick to generate titles based on the options you provide.

Free Online OCR for Ruby - Convert images to text

An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel

File and Image handling

Create favicon files in various sizes from one or multiple base images

layzr-rails project integrates Layzr JS for Rails image_tag helpers

Provides Holder.js to render image placeholders entirely on the client side

Use MiniMagick to crop and resize images in your Jekyll project.

AsposeImagingJava is a Ruby gem that helps developers create, edit, draw or convert images using Aspose.Imaging for Java libraries

Tile images for deep-zoom.

Drop-in image thumbnailing middleware for your Rack stack (Merb, Sinatra, Rails, etc).

A IIIF image server

Use any docker image as the host operating system's user (same user name, same uid, same gid, and even the same shell!) and access to host operating system's filesystem.

Use remove.bg with our official Ruby library to quickly, easily and 100% automatically remove the background from images.

Lazybox is a jQuery-based, lightbox that can display entire remote pages, images and confirmation dialogs. Replace standard rails confirmations with lazybox just added several rows to your project. Use lazybox with rails assets pipeline.