imagemagick

name	imagemagick
description	Use this skill when the user wants to process images — convert formats, resize, compress, get metadata, create thumbnails, batch edit, or compare images from the command line.

ImageMagick Plugin

Suite of powerful CLI tools for image processing. Convert, resize, compress, identify, and batch-edit images.

Commands

Image Info

• magick image identify-brief photo.jpg — Quick dimensions and format
• magick image identify photo.jpg — Detailed metadata (verbose)

Resize & Thumbnails

• magick image resize input.jpg -resize 800x600 output.jpg — Resize to exact dimensions
• magick image resize input.jpg -resize 50% output.jpg — Resize by percentage
• magick image thumbnail input.jpg -thumbnail 200x200 thumb.jpg — Create thumbnail

Format Conversion

• magick image convert-format image.jpg image.png — JPEG to PNG
• magick image convert-format logo.svg logo.png — SVG to PNG

Compression

• magick image compress photo.jpg -quality 80 compressed.jpg — Compress JPEG (quality 80)
• magick image compress image.png -quality 50 compressed.png — Compress PNG

Batch

• magick batch mogrify -resize 800x600 -format png *.jpg — Batch resize all JPEGs to PNG

Full Access

• magick _ _ — Passthrough for any convert command (montage, compare, composite, effects, etc.)

Usage Examples

• "What are the dimensions of this image?"
• "Resize image.jpg to 1024x768"
• "Convert all SVG files to PNG in this directory"
• "Compress this photo to 70% quality for the web"
• "Create a 150x150 thumbnail of logo.png"
• "Get detailed metadata about photo.tiff"

Installation

brew install imagemagick

Key Features

• Format conversion: Supports 200+ formats (JPEG, PNG, GIF, WebP, SVG, TIFF, HEIC, PDF, and more)
• Resize & scale: Absolute dimensions, percentages, fit within bounds
• Compression: Quality adjustment for JPEG/PNG/WebP
• Metadata: EXIF, dimensions, colorspace, depth, file size
• Batch processing: Process multiple files at once with mogrify
• Effects: Blur, sharpen, rotate, crop, color adjustments, and more
• Non-interactive: All commands are one-shot, scriptable CLI calls