How do I install the Image Tools skill?

Run npx skillmds@latest add dalehurley/image-tools in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Image Tools safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Image Tools?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Image Tools free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Image Tools?

dalehurley (@dalehurley) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Image Tools by dalehurley — Agent Skill

Name: Image Tools
Author: dalehurley

Image Tools

Resize, compress, convert, crop, and inspect images. Use this skill when the user asks to resize an image, compress a photo, convert image format (PNG to JPG etc), crop an image, get image dimensions/info, or optimize images for web.

dalehurley 4d9abf6 2 files · 11.8 KB Updated Sep 17, 2026

File contents

Skill: image-tools

When to Use

Use this skill when the user asks to:

Resize an image (scale, set dimensions)
Compress or optimize an image for web
Convert between image formats (PNG, JPG, WebP, GIF, BMP, TIFF)
Crop an image
Get image info (dimensions, format, file size)
Create a thumbnail
Rotate or flip an image

Supported Formats

Format	Read	Write	Notes
JPEG	Yes	Yes	Lossy, quality adjustable
PNG	Yes	Yes	Lossless, supports transparency
WebP	Yes	Yes	Modern web format
GIF	Yes	Yes	Animation supported
BMP	Yes	Yes	Uncompressed
TIFF	Yes	Yes	Professional/print

Input Parameters

Parameter	Required	Description	Example
`action`	Yes	`resize`, `compress`, `convert`, `crop`, `info`, `rotate`	resize
`input`	Yes	Input image file path	photo.jpg
`output`	For most	Output file path	resized.jpg
`width`	For resize	Target width in pixels	800
`height`	For resize	Target height in pixels	600
`quality`	For compress	JPEG/WebP quality 1-100 (default: 80)	75
`format`	For convert	Target format	webp
`crop_box`	For crop	left,top,right,bottom in pixels	0,0,500,400
`angle`	For rotate	Rotation angle in degrees	90

Procedure

Determine the action from the user's request

Run the bundled script:

# Resize
python3 skills/image-tools/scripts/process.py resize input.jpg --width 800 --output resized.jpg

# Compress
python3 skills/image-tools/scripts/process.py compress photo.jpg --quality 75 --output compressed.jpg

# Convert format
python3 skills/image-tools/scripts/process.py convert image.png --format webp --output image.webp

# Crop
python3 skills/image-tools/scripts/process.py crop photo.jpg --box 0,0,500,400 --output cropped.jpg

# Get info
python3 skills/image-tools/scripts/process.py info photo.jpg

# Rotate
python3 skills/image-tools/scripts/process.py rotate photo.jpg --angle 90 --output rotated.jpg

The script auto-installs Pillow if needed
Report the result to the user

Bundled Scripts

Script	Type	Description
`scripts/process.py`	Python	Resize, compress, convert, crop, inspect, and rotate images

Example

resize photo.jpg to 800px wide
compress this image to 75% quality
convert screenshot.png to webp
crop the image to 500x400
what are the dimensions of this image
make a thumbnail of photo.jpg
rotate the image 90 degrees

---name: image-toolsdescription: Resize, compress, convert, crop, and inspect images. Use this skill when the user asks to resize an image, compress a photo, convert image format (PNG to JPG etc), crop an image, get image dimensions/info, or optimize images for web.---# Skill: image-tools## When to UseUse this skill when the user asks to:- Resize an image (scale, set dimensions)- Compress or optimize an image for web- Convert between image formats (PNG, JPG, WebP, GIF, BMP, TIFF)- Crop an image- Get image info (dimensions, format, file size)- Create a thumbnail- Rotate or flip an image## Supported Formats| Format | Read | Write | Notes || ------ | ---- | ----- | ------------------------------- || JPEG | Yes | Yes | Lossy, quality adjustable || PNG | Yes | Yes | Lossless, supports transparency || WebP | Yes | Yes | Modern web format || GIF | Yes | Yes | Animation supported || BMP | Yes | Yes | Uncompressed || TIFF | Yes | Yes | Professional/print |## Input Parameters| Parameter | Required | Description | Example || ---------- | ------------ | --------------------------------------------------------- | ----------- || `action` | Yes | `resize`, `compress`, `convert`, `crop`, `info`, `rotate` | resize || `input` | Yes | Input image file path | photo.jpg || `output` | For most | Output file path | resized.jpg || `width` | For resize | Target width in pixels | 800 || `height` | For resize | Target height in pixels | 600 || `quality` | For compress | JPEG/WebP quality 1-100 (default: 80) | 75 || `format` | For convert | Target format | webp || `crop_box` | For crop | left,top,right,bottom in pixels | 0,0,500,400 || `angle` | For rotate | Rotation angle in degrees | 90 |## Procedure1. Determine the action from the user's request2. Run the bundled script: ```bash # Resize python3 skills/image-tools/scripts/process.py resize input.jpg --width 800 --output resized.jpg # Compress python3 skills/image-tools/scripts/process.py compress photo.jpg --quality 75 --output compressed.jpg # Convert format python3 skills/image-tools/scripts/process.py convert image.png --format webp --output image.webp # Crop python3 skills/image-tools/scripts/process.py crop photo.jpg --box 0,0,500,400 --output cropped.jpg # Get info python3 skills/image-tools/scripts/process.py info photo.jpg # Rotate python3 skills/image-tools/scripts/process.py rotate photo.jpg --angle 90 --output rotated.jpg ```3. The script auto-installs `Pillow` if needed4. Report the result to the user## Bundled Scripts| Script | Type | Description || -------------------- | ------ | ----------------------------------------------------------- || `scripts/process.py` | Python | Resize, compress, convert, crop, inspect, and rotate images |## Example```resize photo.jpg to 800px widecompress this image to 75% qualityconvert screenshot.png to webpcrop the image to 500x400what are the dimensions of this imagemake a thumbnail of photo.jpgrotate the image 90 degrees```

Frequently asked questions