Make a plain background (white or another solid color) see-through — choose the color and the tolerance, and optionally crop automatically to the content. Output as PNG. Works best on a solid background.
Drag images here
or click to choose — you can do several at once
Preview
The colour defaults to the top-left corner of your first photo. Works best on a solid background; output as PNG with transparency. Crop to content trims the transparent edge tightly (handy for logos and product photos).