FastFlatten: Hierarchy Collapser
Quickly collapse your Unity hierarchy to reduce clutter and improve focus. FastFlatten adds a customizable keyboard shortcut (Ctrl+G by default) that collapses all items while keeping your current selection expanded. Press again to fully flatten the hierarchy. Ideal for maintaining organized workflows in complex scenes.
com.bedtime.fast-flatten 
Install via UPM
Add to Unity Package Manager using this URL
https://www.pkglnk.dev/fast-flatten.git README Markdown
Copy this to your project's README.md
## Installation
Add **FastFlatten: Hierarchy Collapser** to your Unity project via Package Manager:
1. Open **Window > Package Manager**
2. Click **+** > **Add package from git URL**
3. Enter:
```
https://www.pkglnk.dev/fast-flatten.git
```
[](https://www.pkglnk.dev/pkg/fast-flatten)README
FastFlatten: Hierarchy Collapser
This package adds a new utility shortcut to the Unity editor; Collapse the currently active hierarchy! Normally it's easy to end up with a cluttered hierarchy after working in a scene for a while, and the same goes for the project view. This this package allows you to quickly get your bearings and focus on your current work.
Getting started
The default shortcut to collapse a hierarchy is CTRL+G, this can of course be changed in Unity's Shortcuts editor.
Pressing the collapse shortcut once will collapse all other items in the hieararchy while keeping your current selection expanded.
Pressing the collapse shortcut a second time after this will collapse the active selection as well, leaving a completely flattened hierarchy.
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