Gowall

Gowall Plugin

Image processing tool with color theme conversion, compression, OCR, AI upscaling, and palette extraction.

Commands

Image Processing

• gowall image theme — Convert image to color theme
• gowall image compress — Compress image
• gowall image ocr — Extract text from image using OCR
• gowall palette extract — Extract color palette from image

Usage Examples

• "gowall image theme --input wallpaper.png --theme catppuccin"
• "gowall image compress --input photo.jpg"
• "gowall image ocr --input document.png"
• "gowall palette extract --input image.png"

Installation

brew install gowall
# or download from https://github.com/Achno/gowall/releases

Examples

# Convert image to Catppuccin theme
gowall theme wallpaper.png catppuccin

# Compress image
gowall compress photo.jpg

# Extract text from image using OCR
gowall ocr document.png

# Extract color palette
gowall palette image.png

# Convert icon theme
gowall icon icon.svg dracula

# Upscale image with AI
gowall upscale small.png

# Remove background
gowall remove-bg photo.png

# Convert image format
gowall convert image.webp output.png

# Stack images
gowall stack img1.png img2.png

# Create GIF from images
gowall gif frame1.png frame2.png frame3.png

# Use with pipes (read from stdin, write to stdout)
cat image.png | gowall theme catppuccin > output.png

Key Features

• Color theme conversion (Catppuccin, Dracula, Nord, etc.)
• Image compression
• OCR with multiple providers (Traditional, VLM, Hybrid)
• AI image upscaling
• Color palette extraction
• Icon theme conversion
• Image to pixel art
• Background removal
• Format conversion
• Stack multiple images
• Create GIFs
• Unix pipes/redirection support