ActiveBlob provides a Blob model with SHA1-based deduplication, polymorphic attachments, and support for multiple storage backends (filesystem, S3). Includes automatic metadata extraction for images, videos, and PDFs.

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

Carrierwave VIPS Daltonize processing

A validate image ratio gem for carrierwave

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

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

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

Optimizes images for Jekyll

This Jekyll plugin autogenerates image thumbnails using the vips library

Uses Ruby Vips to when creating thumbnails for faster generation.

LaserBlob provides a Blob model with SHA1-based deduplication, polymorphic attachments, and support for multiple storage backends (filesystem, S3). Includes automatic metadata extraction for images, videos, and PDFs.

Middleman plugin for automatic img tags with proper srcset attributes. You can configure any number of image size sets for different use cases (i.e. different image sizes for teasers, portrait and landscape images). Scaled images are generated using libvips.