flutter-reducing-app-size

Analyze Flutter app bundle size and implement reduction strategies.

2.8k|166|Updated Feb 25, 2026
One-click install
npx skills add https://github.com/flutter/skills --skill flutter-reducing-app-size-flutter
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: flutter-reducing-app-size
Source: https://github.com/flutter/skills/tree/main/skills/flutter-reducing-app-size
Command: npx skills add https://github.com/flutter/skills --skill flutter-reducing-app-size-flutter

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps you reduce the download and installation size of your Flutter application, ensuring faster downloads and meeting app store constraints.

Core Features & Use Cases

  • Analyze App Size: Generate and interpret size analysis reports to identify large dependencies and assets.
  • Optimize Build: Implement strategies like stripping debug symbols and removing unused resources.
  • Estimate Download Size: Accurately project iOS download sizes using app thinning reports.
  • Use Case: You've noticed your Flutter app's download size is too large for a specific market. Use this Skill to analyze the build, identify the biggest contributors to its size, and apply optimizations to significantly reduce it.

Quick Start

Use the flutter-reducing-app-size skill to generate a size analysis file for an Android App Bundle.

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 analyze my Flutter app size to find what is increasing the bundle size?

To analyze your Flutter app size, generate and interpret size analysis reports to identify large dependencies and assets. This process requires Flutter CLI and DevTools to pinpoint the biggest contributors within your application bundle.

What's the best way to reduce Flutter app download size for app store constraints?

The best way to reduce Flutter app download size is implementing build optimization strategies like stripping debug symbols and removing unused resources. This minimizes your package to meet app store package constraints and ensure faster downloads.

Can I estimate iOS download size using app thinning reports in Flutter?

Yes, you can estimate iOS download size using app thinning reports to accurately project deployment sizes. This helps verify adherence to iOS App Store package limitations before releasing your Flutter application.

How do I generate a size analysis file for an Android App Bundle in Flutter?

You can generate a size analysis file for an Android App Bundle using this optimization skill. It analyzes the application bundle to identify large assets and dependencies inflating your Android deployment package.

Do I need Flutter DevTools to optimize my application bundle for deployment?

Yes, you need Flutter DevTools and the Flutter CLI to perform size analysis and build optimization. These tools are required to generate size analysis files and implement reduction strategies for your application bundle.