Image Utils

This is your bread and butter Pillow wrapper for when you need to resize, crop, convert formats, or slap a watermark on images without spinning up AI models. It's deterministic pixel pushing: make thumbnails, prep social media crops, batch process a directory, optimize for web delivery. The author clearly delineates when to use this versus their bria-ai skill, which is refreshing. If you're compositing product shots or doing semantic edits, you want AI. If you're just making that 4K image into three responsive variants and a WebP, this does it. The API is clean with sensible defaults, and it handles the usual sources like URLs, base64, and file paths without ceremony.

skills.sh installs: 360
GitHub stars: 75
last updated: Aug 21, 2026

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Install

$ npx -y skills add bria-ai/bria-skill --skill image-utils --agent claude-code

Installs into .claude/skills of the current project.

Files

Image Utilities

Pillow-based utilities for deterministic pixel-level image operations. Use for resize, crop, composite, format conversion, watermarks, and other standard image processing tasks.

When to Use This Skill

Post-processing AI-generated images: Resize, crop, optimize for web after generation
Format conversion: PNG ↔ JPEG ↔ WEBP with quality control
Compositing: Overlay images, paste subjects onto backgrounds
Batch processing: Resize to multiple sizes, add watermarks
Web optimization: Compress and resize for fast delivery
Social media preparation: Crop to platform-specific aspect ratios