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.
GIMP (GNU Image Manipulation Program) is a powerful and free alternative to Photoshop, offering a wide range of tools for editing images. But when it comes to handling multiple images at once, GIMP ...