Asset Reference Analyzer

A Unity Editor tool for finding and cleaning up unreferenced assets in your project.

Features

• Smart Detection: Enhanced reference checking across scenes, prefabs, code, and more
• Folder-Specific Analysis: Analyze any folder or subfolder
• Context Menu Integration: Right-click on folders to analyze instantly
• Configurable Scanning: Toggle different detection methods
• Safe Deletion: Individual or batch deletion with confirmations
• Real-Time Progress: Live progress with cancellation support

Installation

1. Download AssetReferenceAnalyzer.cs
2. Place it in your project's Assets/Editor/ folder
3. Unity will automatically compile the script

Usage

Quick Start

1. Right-click any folder in Project window
2. Select "Analyze References in Folder"
3. Configure detection options (optional)
4. Click "Analyze References"

Manual Access

• Window → Asset Reference Analyzer

Detection Options

• Scenes: Check all scenes for asset references
• Prefabs: Scan prefabs and prefab variants
• ScriptableObjects: Check custom data containers
• Animations: Scan animation clips and controllers
• Code References: Search C# files for asset names/paths
• Resources Folders: Protect runtime-loaded assets
• Addressables: Check addressable asset system

Safety Features

• ✅ Confirmation dialogs for all deletions
• ✅ Progress tracking with cancellation
• ✅ Asset preview and selection
• ✅ Resources folder protection
• ✅ Addressable asset protection

Requirements

• Unity 2019.4 or later
• .NET Framework 4.7.1+
• Any render pipeline

Best Practices

⚠️ Always backup your project before batch deletion

• Test thoroughly after cleanup
• Review results carefully before deleting
• Consider runtime asset loading patterns
• Use version control for safety

Common Use Cases

• Pre-build optimization
• Cleaning imported asset packs
• Regular project maintenance
• Removing prototype assets

License

MIT License - Free for commercial and personal use