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Contains classes to create derivative image files and perform other image operations

A Bridgetown 2.0+ plugin that pre-generates responsive AVIF and WebP image derivatives at multiple widths, exposes a picture_tag helper for <img> elements, a bg_image_block helper that emits CSS image-set() declarations for backgrounds, and an Inspector that retroactively wraps bare <img> tags with responsive <picture> markup.

Carrierwave VIPS Daltonize processing

A validate image ratio gem for carrierwave

Library for reading and writing comic book archive files: .cbz, .cbr, .cbt, .cb7, .cba

Generates beautiful and unique default avatars for user accounts

Ruby implementation of core file-format operations used by DistorteD-Jekyll.

Ruby implementation of core file-format operations used by DistorteD-Jekyll.

DynamicImage is a Rails plugin that simplifies image uploading and processing

A small pure-Ruby (for now) implementation of DHash

Provides Stimulus/WebGPU helpers, installer wiring, and ActiveStorage previews for OpenEXR content.

The file_pipeline gem provides a framework for nondestructive application of file operation batches to files.

A Ruby-native interface for fine-tuning machine learning models, starting with image classification using SigLIP2

foggy-mirror takes a raster image and outputs a blurred version of it using SVG or CSS

A mapping library to stitch geographic map images based on map tiles provided by a rastered tile server.

IIIF image derivative generation helpers for Vips

A Rails engine for managing and publishing content with a flexible schema.

A simple and fast Jekyll plugin to generate favicons from a single source image.

Optimizes images for Jekyll