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flutter-reducing-app-size

Analyze Flutter build sizes and prune unused assets and libraries.

21|16|Updated Apr 11, 2026
Search Tags:#optimization#tree-shaking#flutter#bundle#aot#size-analysis#app-size
One-click install
npx skills add https://github.com/xiaoliwanshui/cool-admin-flutter --skill flutter-reducing-app-size-xiaoliwanshui
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: flutter-reducing-app-size
Source: https://github.com/xiaoliwanshui/cool-admin-flutter/tree/main/.trae/skills/flutter-reducing-app-size
Command: npx skills add https://github.com/xiaoliwanshui/cool-admin-flutter --skill flutter-reducing-app-size-xiaoliwanshui

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Flutter apps often face large bundle sizes due to including unused assets and libraries, leading to longer download times and higher store constraints.

Core Features & Use Cases

  • Size analysis of Flutter builds using --analyze-size
  • Identify and prune unused assets and libraries
  • Provide actionable recommendations to reduce app size without breaking behavior
  • Use Case: A developer needs to ship a lean app under a 15 MB target for app store constraints.

Quick Start

Run a Flutter size analysis workflow on your project and apply the recommended reductions to shrink the app package.

Frequently Asked Questions about flutter-reducing-app-size

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

FAQPage Schema
How do I reduce my Flutter app size for faster downloads?▼

Reduce Flutter app size by analyzing builds with --analyze-size to identify oversized assets and libraries, then pruning unused code and applying AOT optimization to minimize the download package.

What's the best way to analyze Flutter bundle size before release?▼

The best way to analyze Flutter bundle size is running the size analysis workflow using --analyze-size, which identifies oversized assets, unused libraries, and code paths to minimize download size.

Why does my Flutter app include unused assets and libraries in the build?▼

Flutter apps include unused assets and libraries because default packaging constraints often lack aggressive tree-shaking, leading to larger bundle sizes that require manual asset pruning to fix.

Can I use tree-shaking and AOT optimization for both Android and iOS targets in Flutter?▼

Yes, tree-shaking and AOT optimization apply to mobile Flutter deployments across Android and iOS targets, helping meet platform-specific packaging constraints and shrink app size without breaking behavior.

How do I get my Flutter app under a 15 MB target for app store constraints?▼

Get your Flutter app under a 15 MB target by running a size analysis workflow to identify oversized assets, applying asset pruning, code splitting, and AOT optimization to ship a lean app package.

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