Toolbar

The toolbar is on the left side of the editor. Select a tool, then interact with the map canvas.

Arrow Tool [A]

The default cursor tool. Use it to inspect tiles without making changes.

Action	Result
Hover	Shows tile info in the status bar
Right-click	Opens chest, sign, or tile entity editor

Selection Tool [S]

Draw a rectangle selection on the map.

Action	Result
Left-click + drag	Select area
Shift + left-click + drag	Expand selection
Right-click or Ctrl+D	Clear selection
Ctrl + right-click	Restore cleared selection
Ctrl+C	Copy selection to clipboard

While a selection is active, painting is restricted to inside the selection.

Picker Tool [R]

Also known as the eyedropper. Picks tile/wall/liquid properties from the map.

Action	Result
Left-click	Pick tile, wall, and liquid
Right-click	Pick as mask

Hold-to-pick: Hold R to temporarily switch to the Picker, pick a tile, then release R to return to your previous tool. A quick tap of R switches to Picker permanently.

Pencil Tool [E]

Places one tile at a time. Great for fine detail work.

Action	Result
Left-click + drag	Freehand draw
Shift + left-click	Straight line between two points
Right-click + drag	Horizontal line
Left + right-click + drag	Vertical line

Brush Tool [B]

Paints with a configurable brush size and shape. See Brush Settings.

Same drawing controls as the Pencil tool, but affects an area based on brush size.

Fill Tool [F]

Flood fills connected tiles of the same type.

Action	Result
Left-click	Fill connected matching tiles
Left-click in selection	Fill limited to selection area

Point Tool [P]

Places spawn points and NPC home locations.

Select a point type from the dropdown (Spawn, Dungeon, NPC homes, Team spawns), then left-click on the map to place it.

Sprite Tool [T]

Places furniture, decorations, and other multi-tile sprites.

Action	Result
Left-click	Place sprite
Left-click + drag	Draw 1x1 sprites in a line

Use the Sprites sidebar to pick the sprite type and style.

Morph Tool

Converts tiles and walls to a selected biome type.

Only affects existing tiles — doesn't fill empty space. Behavior changes with depth (sky, dirt, rock, hell layers).

Options:

• Target Biome — Purify, Corruption, Crimson, Hallow, etc.
• Base Tiles / Evil Tiles / Moss / Sprites — Toggle what gets converted

Hammer Tool

Area-based hammer tool. Applies hammer actions across the brush area. Uses the same brush size/shape as the Brush tool.