AstroBlack

Whether it’s traditional photography or astrophotography, I’ve always found it challenging to match the tone and brightness of backgrounds – such as daytime or nighttime skies, or even product photography backdrops – when editing multiple images.

AstroBlack is a lightweight Windows tool that displays a small square of any color you choose, always on top of your screen. Overlaid on your photos during editing, it helps you calibrate tones and brightness consistently across your images.