ScreenShooter allows you to take multiple screenshots at different resolutions with just one click, right from the Unity editor.

Features:
- Take multiple screenshots at multiple resolutions with a single click.
- Quickly create good high quality screenshots or wallpapers.
- Easily create all required screenshots for App Store or Google Play (presets included).
- Add or remove resolutions with ease and save them for later use.
- Take screenshots using any available camera.

Documentation | GitHub