asc-screenshot-resize

Resize and validate App Store screenshots using asc data and macOS sips.

3|Updated Mar 16, 2026

Search Tags:#validation #CLI #screenshot #resizing #App Store

Ready to run

npx skills add https://github.com/kvn8888/OpenFoodJournal --skill asc-screenshot-resize-kvn8888

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: asc-screenshot-resize
Source: https://github.com/kvn8888/OpenFoodJournal/tree/main/.agents/skills/asc-screenshot-resize
Command: npx skills add https://github.com/kvn8888/OpenFoodJournal --skill asc-screenshot-resize-kvn8888

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires asc, sips, and includes scripts (resource) components.

What problem does it solve?

This Skill automates the resizing and validation of App Store screenshots using current App Store Connect specifications and macOS sips, simplifying the preparation of images for submission.

Core Features & Use Cases

Screenshot Resizing: Resize screenshots to match current App Store Connect requirements.
Validation: Check screenshot dimensions, metadata, and alpha transparency to ensure compliance.
Use Case: Before submitting your App Store Connect listing, use this Skill to prepare and validate all required screenshots for all supported devices.

Quick Start

Resize and validate your App Store screenshots with the 'asc-screenshot-resize' skill.

Frequently Asked Questions about asc-screenshot-resize

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I resize screenshots for App Store Connect submission?▼

This Skill automates App Store screenshot resizing by using current App Store Connect specifications and macOS sips to process images. It resizes your screenshots to match the required dimensions for all supported devices.

What is the best way to validate App Store screenshot dimensions and metadata?▼

The best way to validate App Store screenshots is using an automated workflow that checks image dimensions, metadata, and alpha transparency. This ensures full compliance with App Store Connect submission guidelines before you upload.

Do I need macOS sips and asc to validate App Store screenshots?▼

Yes, you need both the asc command-line tool and macOS sips installed to use this Skill. The asc tool provides current App Store Connect screenshot-size data, while sips handles the image metadata processing for validation.

Can I check alpha transparency compliance for App Store screenshots automatically?▼

Yes, you can check alpha transparency compliance automatically. This Skill validates screenshot dimensions, metadata, and alpha transparency to ensure your images meet App Store Connect submission standards.

Does this screenshot resizing tool work with CLI workflows?▼

Yes, this screenshot resizing tool works with CLI workflows. It is designed for software engineering pipelines and relies on command-line dependencies like asc and sips to automate App Store Connect submission preparation.