Collection of tools that make printing of plain text and images to one or many serial thermal printers easy. USB, serial (RS232) and TCP/IP printers are supported. Escper is useful for Ruby based Point of Sale systems that want to print receipts or tickets, but also suitable for stand-alone appli...

A gem that allows to merge multiple docx (microsoft word) files into one, write images to a docx file and make string replacements in the header, footer or main document content.

Extends capybara-screenshot with inline image output

Turn an image into an X,Y tile set for use with JS mapping libraries

Prawn::Graph adds straightforward native graph drawing to Prawn without the need to depend on anything else. All generated graphs are pure PDF Vector Images. It results in smaller document sizes and less complication.

FastImage Rssize is an extremely light solution for resizing images in ruby by using libgd.

Extensible Metadata Platform (XMP) parser extracts metadata from JPEG and TIFF image files. It also supports parsing raw XML files containing XMP.

Calculate Dhash on images

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

Automatic Retina Image Handling

This gem providers a small server to allow linking to arbitrarily-sized placeholder images.

Tool to resize Android Resource images

Generate favicon files in various sizes from a base image in your Middleman project

Dynamic image generation for Compass using ChunkyPNG/PhantomJS.

Image comparison lib built on top of ChunkyPNG

FastImage Resize is an extremely light solution for resizing images in ruby by using libgd.

Easily retrieve single PNG, GIF, or JPG map images from Google with your own custom markers and paths using the Static Maps API service with this gem. Simply set the attributes you want for your map and GoogleStaticMap will take care of getting the map for you, or giving your the URL to retrieve...

Carrierwave plugin that allows create image from data uri

Serif is a static site generator and blogging system powered by markdown files and an optional admin interface complete with drag-and-drop image uploading.

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