Canghe Compress Image

Compresses images to WebP or PNG with automatic fallback across four compression tools (sips, cwebp, ImageMagick, Sharp). It picks the best available tool on your system, so you don't need to think about dependencies. Handles single files or entire directories recursively, outputs clean reports showing size reductions, and supports project or user level config files for default quality and format preferences. The 80% default quality and WebP target are sensible choices for web optimization. Straightforward for batch processing design assets or cleaning up bloated image folders without manual tool juggling.

skills.sh installs: 494
GitHub stars: 474
last updated: Aug 21, 2026

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Install

$ npx -y skills add freestylefly/canghe-skills --skill canghe-compress-image --agent claude-code

Installs into .claude/skills of the current project.

Files

Image Compressor

Compresses images using best available tool (sips → cwebp → ImageMagick → Sharp).

Script Directory

Scripts in scripts/ subdirectory. Replace ${SKILL_DIR} with this SKILL.md's directory path.

Script	Purpose
`scripts/main.ts`	Image compression CLI

Preferences (EXTEND.md)

Use Bash to check EXTEND.md existence (priority order):

# Check project-level first
test -f .canghe-skills/canghe-compress-image/EXTEND.md && echo "project"

# Then user-level (cross-platform: $HOME works on macOS/Linux/WSL)
test -f "$HOME/.canghe-skills/canghe-compress-image/EXTEND.md" && echo "user"

SKILL.md on GitHub

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