This gem makes it simple to embed images within your code with a nice Ruby DSL.

This Sinatra extensions provides following helper methods: - image_tag - stylesheet_link_tag - javascript_script_tag

jekyll-exiftag is a LiquidTag Extension for Jekyll to get Exif data from images

kanoko is a active image generater library.

Ruby APIs for working with IIIF

A simple CloudSight API Client for Image Recognition

Develop and automate PDF processing tasks like Compress PDF, Merge PDF, Split PDF, convert Office to PDF, PDF to JPG, Images to PDF, add Page Numbers, Rotate PDF, Unlock PDF, stamp a Watermark and Repair PDF. Each one with several settings to get your desired results.

Use blurhashes to lazy load ActiveStorage images

With this SDK, you can seamlessly integrate GroupDocs’ document collaboration tools into your Ruby web or mobile application. The tools enable end users to view, securely share, collaboratively annotate, e-sign, assemble, convert and compare over 50 common document and image types (including PDF,...

Tools used by LiveRamp to facilitate generation, packaging, and deployment of Docker images and Kubernetes manifests.

datauris gem - DataUri helpers to parse (decode) and build (encode) data uris incl. (strict) base64-encoded/decoded images and more

Description of OmgImage.

Generate Word documents from a template, also handle html and images too.

Rubyshop is an RMagick abstraction library to easily manipulate and composite images through the use of a canvas, layers, layer masks, adjustment layers, fill layers, and layer sets (much like in Photoshop)

A ruby parser for TeX equations. It parses equations to postfix (reverse polish) notation and can build abstract syntax tree (AST). Also it can render images via latex. Requres modern ruby 1.9.x because of using advanced oniguruma regex engine

PNM is a pure Ruby library for creating, reading, and writing of PNM image files (Portable Anymap): PBM (Portable Bitmap), PGM (Portable Graymap), and PPM (Portable Pixmap).

Render LGTM image or fetch randomly from LGTM.in. Live Terminal Preview. Smart text colors and positions. Support direct clipboard paste to github's comment box or Slack on MacOSX. Live preview on terminal as well!

Shrine plugin to compute Blurhash on image attachments

A Gem that extracts some useful colors from an image

Command line tool to create collages of flickr images