skills.rest
omega-bred
omega-bredOFFICIAL
Explore all skills by this author →
GitHub

asc-screenshot-resize

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

6|Updated Jan 16, 2026
Search Tags:#macOS#App Store#metadata validation#screenshot preparation#size compliance
One-click install
npx skills add https://github.com/omega-bred/bluebubbles-chatgpt-agent --skill asc-screenshot-resize-omega-bred
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: asc-screenshot-resize
Source: https://github.com/omega-bred/bluebubbles-chatgpt-agent/tree/main/.agents/skills/asc-screenshot-resize
Command: npx skills add https://github.com/omega-bred/bluebubbles-chatgpt-agent --skill asc-screenshot-resize-omega-bred

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill simplifies the process of preparing App Store screenshots, ensuring they meet Apple's current specifications and requirements.

Core Features & Use Cases

  • Dynamic Resize: Resizes screenshots according to current asc screenshot-size data, not relying on hard-coded dimensions.
  • Validation: Validates screenshot dimensions and metadata, ensuring they are suitable for App Store submission.
  • Workflow Automation: Provides step-by-step instructions to sanitize filenames, inspect dimensions, strip alpha transparency, resize, validate, and upload screenshots.

Quick Start

Use the asc-screenshot-resize skill to prepare screenshots for App Store submission by running 'asc screenshots sizes --all' to discover current sizes, and then execute the workflow as detailed in the Skill's guide.

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 App Store screenshots to meet Apple's current dimension requirements?▼

To resize App Store screenshots, this Skill uses the macOS sips command-line tool to dynamically adjust dimensions based on current asc screenshot-size data, ensuring your images meet App Store Connect submission specifications.

What is the best way to validate App Store metadata and screenshot sizes before upload?▼

Validating App Store metadata and screenshot sizes is handled by checking your images against current asc screenshot-size data, verifying both dimension compliance and metadata suitability before you attempt submission.

Can I use sips on macOS to strip alpha transparency for App Store submission?▼

Yes, the Skill provides step-by-step workflow automation using macOS sips to sanitize filenames, inspect dimensions, strip alpha transparency, resize, and validate your App Store screenshots.

Does this screenshot validation process use hard-coded App Store dimensions?▼

No, the screenshot validation and resizing process relies on dynamically retrieved asc screenshot-size data rather than hard-coded dimensions, ensuring compliance with Apple's current specifications.

What should I do if my App Store screenshots fail metadata validation?▼

If screenshots fail metadata validation, you should follow the Skill's workflow to sanitize filenames, inspect dimensions, strip alpha transparency, and resize using current asc screenshot-size data before revalidating.

Related Skills

Explore More Software Engineering Skills→
kvn8888kvn8888
3

asc-screenshot-resize

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

Community
Intermediate
moasqmoasq
32

asc-publish

Automate App Store Connect publishing with readiness checks and metadata preview.

Community
Advanced
Prisma-Labs-DevPrisma-Labs-Dev
299

simulator-utils

Manage iOS Simulator device lifecycle, app installation, and screenshot resizing.

Official
Intermediate
decentpastedecentpaste
232

ios-icon-fix

Remove alpha channels from iOS app icons using Python 3 and Pillow.

Official
Basic