Open a photo, drop one here, or paste it (Ctrl or ⌘ + V).
Your photo stays on your computer: nothing is uploaded.
Your photo stays on your computer: nothing is uploaded.
Gray ruler: drag it over the photo and find the hole where the photo and the gray around it look equally light. Squint if it helps.
Hover to read a spot. Click to pin it, drag a pin to move it, and name your pins in the list. A bigger ring averages out small details like ripples or texture.