GNU Image Manipulating Program (GIMP) is a free open-source image editing software. GIMP is a viable alternative to the paid image manipulation programs available. A very cool feature in GIMP is the ...

It’s fairly easy to blend two images in GIMP. All you have to do is: Open the two Images in GIMP. Blend the images using layer opacity/blend mode/layer mask. Export the resultant image as JPEG/PNG.