Instance Tool

Instance Tool is an editor mode plugin for Unreal Engine, it
allows you to quickly select/edit/convert Instanced Static Meshes
in editor viewports.

It also provides extra level editing functionalities like
aligning and snapping to make editing instances easier.

(Please note that 4.22+ engine now implements
auto-instancing feature which makes the manual converrsion might
not necessary depends on the level setup.)

Videos:

Overview

Timelapse

Support:

Discord

Forum
thread

Features:

– One-click conversion between Static Mesh and Instanced Static
Mesh

– Select/move/rotate/scale instances directly in editor
viewports

– Flexible select options (Marquee select, Select by axis,
Lock/Unlock selection)

– Create instances quickly with Alt + Drag or standard duplicate
hotkey

– Align instances by location/rotation or to grid

– Snap instances by axis

– Distribute/Line-Up instances

– Apply delta transform to instances panel with duplicate
option

– Multi-edit support

– Hotkeys for Hide/Unhide transform widget and focus to selected
instances

– Experimental Blueprint Instances Editing support

– Full undo support for all instances editing operations