Skip to main content

A free, open-source Mac image editor for compositing, retouching, and layered design work.

Free·Image Editing·Compositing·macOS·Open Source·Photography
Compositor preview 1
Compositor preview 2
Compositor preview 3
Compositor preview 4

What is Compositor?

Compositor is a free, MIT-licensed image editor for Mac built around compositing and post-processing. It includes layers, masks, blend modes, selections, painting and retouching tools, adjustment layers, filters, and Photoshop-style shortcuts. It can import common image formats as well as PSD and PSB files, with some unsupported Photoshop elements rasterized on import.

The app requires macOS 26.5 or later; its source is available on GitHub.

Features

  • Layers, folders, masks, and blend modes
  • Selections, brushes, and retouching tools
  • Adjustment layers and filters
  • PSD and PSB import
  • Open-source Xcode project
  • macOS 26.5 or later

FAQs

Common questions about Compositor

Is Compositor free?
Yes. It is free to download and its source is available under the MIT license.
Can Compositor open Photoshop files?
It can import 8-bit RGB PSD and PSB files. Some Photoshop content remains editable, while unsupported elements are converted to pixels.
What Mac version is required?
Compositor requires macOS 26.5 or later.