PTGui is panoramic image stitching software for Windows and macOS. Originally started as a G raphical U ser I nterface for P anorama T ools (hence the name), PTGui has evolved into a full featured, industry leading photo stitching application.

Fast PTGui is blazing fast! Thanks to OpenCL GPU acceleration PTGui is able to stitch a 1 Gigapixel panorama in about 25 seconds on modest hardware.

Automatic Just drop your photos into PTGui and it will figure out how they overlap. PTGui can stitch multiple rows of images and supports all lenses, including fisheyes.