Local Mask Editor
Paint or select a region and apply a color adjustment only inside it.
Preview & export
Your result and download will appear here.
Frequently asked questions
How do I limit an adjustment to one part of the image?
Draw a box or use the brush to mark the area, then choose a color adjustment.
Can I download the mask separately?
Yes. The edited image and selection mask are available as separate PNG files.
Where does the file go?
Processing takes place in your browser. Download the result from the tool after export.