Compresses images to WebP (default) or PNG using automatic tool selection (sips, cwebp, ImageMagick, Sharp). Supports batch, recursive, quality, and keep-original options.
How this skill is triggered — by the user, by Claude, or both
Slash command
/jimliu-baoyu-skills-9:baoyu-compress-imageThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Compresses images using best available tool (sips → cwebp → ImageMagick → Sharp).
Compresses images using best available tool (sips → cwebp → ImageMagick → Sharp).
Scripts in scripts/ subdirectory. {baseDir} = this SKILL.md's directory path. Resolve ${BUN_X} runtime: if bun installed → bun; if npx available → npx -y bun; else suggest installing bun. Replace {baseDir} and ${BUN_X} with actual values.
| Script | Purpose |
|---|---|
scripts/main.ts | Image compression CLI |
Check EXTEND.md in priority order — the first one found wins:
| Priority | Path | Scope |
|---|---|---|
| 1 | .baoyu-skills/baoyu-compress-image/EXTEND.md | Project |
| 2 | ${XDG_CONFIG_HOME:-$HOME/.config}/baoyu-skills/baoyu-compress-image/EXTEND.md | XDG |
| 3 | $HOME/.baoyu-skills/baoyu-compress-image/EXTEND.md | User home |
If none found, use defaults.
EXTEND.md supports: Default format, default quality, keep-original preference.
${BUN_X} {baseDir}/scripts/main.ts <input> [options]
| Option | Short | Description | Default |
|---|---|---|---|
<input> | File or directory | Required | |
--output | -o | Output path | Same path, new ext |
--format | -f | webp, png, jpeg | webp |
--quality | -q | Quality 0-100 | 80 |
--keep | -k | Keep original | false |
--recursive | -r | Process subdirs | false |
--json | JSON output | false |
# Single file → WebP (replaces original)
${BUN_X} {baseDir}/scripts/main.ts image.png
# Keep PNG format
${BUN_X} {baseDir}/scripts/main.ts image.png -f png --keep
# Directory recursive
${BUN_X} {baseDir}/scripts/main.ts ./images/ -r -q 75
# JSON output
${BUN_X} {baseDir}/scripts/main.ts image.png --json
Output:
image.png → image.webp (245KB → 89KB, 64% reduction)
Custom configurations via EXTEND.md. See Preferences section for paths and supported options.
npx claudepluginhub jimliu/baoyu-skills5plugins reuse this skill
First indexed Jun 3, 2026
Compresses images to WebP (default) or PNG using automatic tool selection (sips, cwebp, ImageMagick, Sharp). Supports batch, recursive, quality, and keep-original options.
Compresses images to WebP (default) or PNG with automatic tool selection. Use when user asks to 'compress image', 'optimize image', 'convert to webp', or reduce image file size.
Compresses JPG/PNG/GIF images to WebP using cwebp, iteratively reducing quality/resolution until under 100KB, preserves originals, reports sizes, updates file references. Use for web/SEO performance.