sdsykes/fastimage

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1380 stars · 118 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

FastImage is a Ruby library that finds the size or type of an image given its URI by fetching only the minimal bytes needed. It supports many formats including GIF, JPEG, PNG, TIFF, BMP, ICO, PSD, SVG, WEBP and JXL without requiring external image libraries.

Use cases

• get dimensions of a remote image without downloading it
• find image type from a url
• add width and height attributes to image tags
• check image size on s3 or asset server
• read exif orientation from jpeg
• get image size from a data uri

When to choose

• you need image dimensions or type from remote or local files in Ruby
• you want to avoid heavy dependencies like ImageMagick
• bandwidth matters and you only need header information

When to avoid

• you need to process, resize, or transform images
• you need deep image metadata beyond size, type, and orientation
• you are not working in Ruby

Facets

library · maturity stable

image-processing http-client parser image-processing web-development files ruby cross-platform image-dimensions image-metadata minimal-fetch remote-images no-native-dependencies

Member repositories

For agents

markdown · JSON · MCP: product_card(name="sdsykes/fastimage")