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jholhewres
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image-tools

Resizes, converts, compresses, crops, rotates, and applies effects to images via ImageMagick command-line tools.

3|Updated Feb 13, 2026
Search Tags:#image#resize#convert#imagemagick#compress#manipulation
One-click install
npx skills add https://github.com/jholhewres/goclaw-skills --skill image-tools-jholhewres
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: image-tools
Source: https://github.com/jholhewres/goclaw-skills/tree/main/skills/image-tools
Command: npx skills add https://github.com/jholhewres/goclaw-skills --skill image-tools-jholhewres

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies common image manipulation tasks, allowing users to resize, convert, compress, and edit images without needing complex graphical software.

Core Features & Use Cases

  • Image Resizing: Adjust image dimensions to specific sizes, maintain aspect ratios, or fit within defined areas.
  • Format Conversion: Convert images between various formats like PNG, JPG, WebP, and GIF.
  • Compression: Reduce image file sizes for web or storage optimization.
  • Editing: Crop, rotate, flip, add watermarks, and apply basic effects.
  • Use Case: Quickly resize a batch of photos for a website, convert screenshots to a more web-friendly format, or compress images to save disk space.

Quick Start

Resize the image 'photo.jpg' to a width of 800 pixels while maintaining its aspect ratio.

Frequently Asked Questions about image-tools

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I batch resize images from the command line?▼

You can batch resize images by executing command-line operations to adjust dimensions, maintain aspect ratios, or fit images within defined areas using installed ImageMagick binaries.

Can I convert PNG images to WebP or JPG format in bulk?▼

Yes, format conversion supports transforming images between various formats like PNG, JPG, WebP, and GIF in bulk by executing command-line manipulation operations.

How do I compress image file sizes for web optimization?▼

Compress image file sizes for web optimization by applying command-line compression operations, which reduce storage footprints without requiring complex graphical editing software.

Do I need ImageMagick installed to manipulate images with command-line scripts?▼

Yes, image manipulation requires the ImageMagick binaries 'convert' and 'identify' to be installed and directly accessible in your system's PATH environment.

What's the best way to crop and rotate photos without graphical software?▼

The best way to crop and rotate photos without graphical software is by applying command-line editing operations, which also support flipping, adding watermarks, and applying basic visual effects.

Are there limitations when applying visual effects to images via command-line manipulation?▼

Limitations include relying entirely on system-accessible ImageMagick binaries for visual effects, meaning complex graphical editing features available in dedicated software are not supported.

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