Create export areas of all sizes from any part of your composition.
To export objects as slices:
On the Layers panel, select a layer, group or object and tap Create Slice.
On the Slices panel's Options, alter the export format from the pop-up menu (PNG, JPEG, etc.).
(Optional) On the Slices panel's Options menu, enable or disable 1x, 2x or 3x buttons to export to standard, Retina or @3x versions, respectively.
Do one of the following, to control what gets exported:
Select Export All to export all items.
Toggle the visibility of selected items for export: those with the option toggled on will be exported.
Tap Export All to export all formats and sizes for all checked slices in the Slices panel.
Navigate to and select the storage folder for the exported image(s) and then tap Open.
(Optional) On the Slices panel's Menu, select Continuous Export if you want to automatically re-export areas if the document is subsequently changed. This option is only available if Export All was selected above.
To export drawn slices:
Select the Slice Tool.
Drag on the page to select areas.
Repeat step two onward from the procedure above, as required.
To continuously export slices while editing:
On the Slices panel:
Set the export folder.
Tap Panel Preferences, and then tap Continuous Export so it is enabled.
Tap Export All.
To export Xcode and Spine JSON assets:
On the Slices panel, tap Panel Preferences, and then tap the asset type you wish to create when exporting.