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Compress images to a target file size using macOS sips. No dependencies required.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
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| name | image-compress |
| description | Compress images to a target file size using macOS sips. No dependencies required. |
Compress images to a target file size using macOS built-in sips. Works with PNG, JPEG, HEIC, TIFF, and more.
~/dev/pi-skills/image-compress/compress.sh <input> [output] [options]
Options:
--target MB - Target size in MB (default: 5)--width WIDTH - Scale to width (maintains aspect ratio)--format FORMAT - Convert to format: jpeg, png, heic, tiff (default: keep original)--quality 0-100 - JPEG/HEIC quality (default: 85)If no output is specified, creates <input>_compressed.<ext> in the same directory.
# Compress to 5MB (default), auto-resize
compress.sh photo.png
# Target 2MB
compress.sh photo.png out.png --target 2
# Convert to JPEG (often much smaller)
compress.sh photo.png out.jpg --format jpeg
# Specific width
compress.sh photo.png out.png --width 2000
# High quality JPEG
compress.sh photo.png out.jpg --format jpeg --quality 95
Note: Uses decimal MB (1 MB = 1,000,000 bytes) to match Finder.