also: ずけいエディター
noun
shape editor; graphics editor; image editor
Computing term for software used to create or edit shapes, vector graphics, or simple images. Often refers to a component within a larger application.
この図形エディタで簡単なアイコンを作成できます。
You can create simple icons with this shape editor.
画像エディタ is a general image editor (raster graphics), while 図形エディタ specifically handles shapes or vector graphics.
Compound of 図形 (shape, figure) and エディタ (editor), borrowed from English 'editor'.