Image Enhancer

Practical image processing for developers and content creators.

Trigger Keywords

Activate when user mentions:

• "strip exif", "remove metadata", "clean image"
• "thumbnail", "resize image", "make smaller"
• "convert to webp", "convert to avif", "convert format"
• "optimize image", "compress image", "reduce file size"
• "enhance image", "sharpen", "upscale"
• "batch process images"

Quick Reference

When User Asks, Present Options

When a user provides an image and wants processing, present this menu:

What would you like to do with this image?

1. Strip metadata (remove EXIF, AI markers, location data)
2. Create thumbnail (specify size: 100, 150, 200, 300px)
3. Convert format:
   - WebP (best for web, good compression)
   - AVIF (best compression, modern browsers)
   - PNG (lossless, transparency)
   - JPG (photos, universal)
4. Resize (50%, 75%, or custom dimensions)
5. Optimize for web (compress + strip metadata)
6. Upscale (1.5x or 2x with sharpening)
7. All of the above (custom pipeline)

Which option(s)? (e.g., "1 and 3" or "optimize for web")

Common Workflows

Web Development (Most Common)

# Optimize for web: strip metadata, convert to webp, compress
magick input.png -strip -quality 82 output.webp

Thumbnail Generation

# Square thumbnail, 200x200, cropped from center
magick input.jpg -thumbnail 200x200^ -gravity center -extent 200x200 -strip thumb.jpg

# Preserve aspect ratio, max 200px wide
magick input.jpg -thumbnail 200x -strip thumb.jpg

Batch Processing

# Convert all PNGs to WebP
for f in *.png; do magick "$f" -strip -quality 85 "${f%.png}.webp"; done

# Create thumbnails for all JPGs
for f in *.jpg; do magick "$f" -thumbnail 200x200 -strip "thumb_$f"; done

# Strip EXIF from all images
magick mogrify -strip *.jpg *.png

Format Conversion

To WebP (recommended for web):

magick input.png -quality 85 output.webp
# Typical: 2MB PNG → 200KB WebP

To AVIF (best compression, newer):

magick input.png -quality 80 output.avif
# Typical: 2MB PNG → 100KB AVIF
# Note: Not all browsers support AVIF yet

To JPG (universal compatibility):

magick input.png -quality 85 -strip output.jpg

Strip All Metadata

# Remove EXIF, GPS, camera info, AI generation markers
magick input.jpg -strip clean.jpg

# Verify it's clean
exiftool clean.jpg  # Should show minimal data
identify -verbose clean.jpg | grep -i exif  # Should be empty

Resize Options

# By percentage
magick input.jpg -resize 50% half.jpg

# By width (auto height)
magick input.jpg -resize 800x output.jpg

# By height (auto width)
magick input.jpg -resize x600 output.jpg

# Exact dimensions (may distort)
magick input.jpg -resize 800x600! output.jpg

# Fit within box (preserve aspect)
magick input.jpg -resize 800x600 output.jpg

Optimize for Specific Use Cases

Social Media (Instagram, Twitter):

# Square crop for Instagram
magick input.jpg -gravity center -crop 1:1 -resize 1080x1080 -quality 85 -strip insta.jpg

# Twitter card
magick input.jpg -resize 1200x628^ -gravity center -extent 1200x628 -strip twitter.jpg

Favicon/Icon:

# Create multiple sizes for favicon
magick input.png -resize 16x16 favicon-16.png
magick input.png -resize 32x32 favicon-32.png
magick input.png -resize 180x180 apple-touch-icon.png

Email (keep under 100KB):

magick input.jpg -resize 600x -quality 70 -strip email.jpg

Quality Guidelines

Tips

1. Always strip metadata for privacy and smaller files
2. WebP is best for web - 30% smaller than JPG
3. AVIF is even better but check browser support
4. Quality 80-85 is visually identical to 100 but much smaller
5. Use -thumbnail instead of -resize for thumbnails (faster)
6. Batch with mogrify to edit files in place (careful!)

Requirements

• ImageMagick 7+ (magick command)
• Optional: exiftool for detailed metadata inspection