belles - generate your own 24×24 beau / belle pixel head images (off chain) from text attributes (via built-in spritesheet); incl. 2x/4x/8x zoom for bigger sizes and more

Build and snapshot a system image for distribution, CI, or both using real chef cookbooks and a fake server using test kitchen.

Download and stitch google map tiles into a single image.

Wrapper for cloudflare transforming images

Validate image height and width for Paperclip

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.

Cartage provides a repeatable means to create a package for a server-side application that can be used in deployment with a configuration tool like Ansible, Chef, Puppet, or Salt. The package is created with vendored dependencies so that it can be deployed in environments with strict access contr...

Recognize text and characters from image files using web services.

Write PPTX files with slides, textboxes, and images.

The win32-clipboard library provides an interface for interacting with the Windows clipboard. It supports the ability to read and write text, images, files, and Windows metafiles.

Because every time I create a new webapp, I think about how I should process user-generated content. Should convert urls to links and images? Should I allow certain tags? Should I convert all new lines to *br* tags? Well, now all that is as simple as calling a single method.

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

Generate blind texts and placeholder images with tons of options in Ruby, Ruby on Rails or Sinatra

Parser for the Windows Image Format (WIM)

Ruby APIs for working with IIIF

Dead Simple CMS is a library for modifying different parts of your website without the overhead of having a fullblown CMS. The idea with this library is simple: provide an easy way to hook into different parts of your application (not only views) by defining the different parts to modify in an ea...

coolcats - generate your own 24×24 pixel cat images (off-blockchain) from text attributes (via built-in spritesheet); incl. 2x/4x/8x zoom for bigger sizes and more

smileys - generate your own 24×24 pixel smiley images (off-blockchain) with text (via built-in spritesheets); incl. 2x/4x/8x zoom for bigger sizes and more

moonbirds - generate your own 42×42 (or lil' 24×24) pixel owl images (off-blockchain) from text attributes (via built-in spritesheets); incl. 2x/4x/8x zoom for bigger sizes and more

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