ui-diff

Compare PNG/JPG design drafts against app screenshots and generate structured diff reports.

18|1|Updated Apr 9, 2026
One-click install
npx skills add https://github.com/iAmMccc/ai-essentials --skill ui-diff
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ui-diff
Source: https://github.com/iAmMccc/ai-essentials/tree/main/.claude/skills/ui-diff
Command: npx skills add https://github.com/iAmMccc/ai-essentials --skill ui-diff

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

对比 UI 设计稿和 App 截图,检查元素间距、位置、对齐、颜色、字号等差异。

Core Features & Use Cases

  • 批量对比:按文件夹分组逐组对比
  • 自动识别设计稿与截图
  • 输出 diff 报告,标注差异位置

Quick Start

将设计稿文件夹和截图文件夹作为输入执行对比以生成差异报告。

Frequently Asked Questions about ui-diff

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

FAQPage Schema
How do I compare a UI design draft with a real app screenshot to find visual differences?

To compare a UI design draft with a real app screenshot, you provide both images to generate a structured diff report. It identifies visual differences in elements like spacing, alignment, and colors.

Can I batch compare multiple UI design drafts and screenshots automatically?

Yes, you can batch compare multiple UI design drafts and screenshots by grouping them into separate folders. The tool automatically identifies pairs and generates diff reports for each group.

What image formats are supported for UI visual diff and design review checks?

The UI visual diff and design review checks support PNG and JPG image formats. It compares these images, handles automatic size normalization, and outputs a structured report annotating the differences.

Does the image comparison tool handle automatic size normalization for mismatched dimensions?

Yes, the image comparison tool handles automatic size normalization for mismatched dimensions during the visual diff process. This ensures accurate alignment when comparing design drafts to real app screenshots.

What specific visual differences are detected during a UI QA check?

During a UI QA check, the tool detects visual differences including element spacing, position, alignment, color, and font size. It highlights these variations in a structured diff report for design review.