It has a simple job, a does it fairly well. – LineUpper for Instagram Review

Only real complaint is you can't get a PNG out of it, at all. I used two PNG's and got a JPG, and ended up lining the two pictures up pixel-perfect in MS paint, to get a PNG, but if you don't care about that, this oughta work fine.
Review by LovelyDollParis on LineUpper for Instagram.