GIMP is a powerful tool, and this is well known. It might not be on the same level as Photoshop, but that is fine because GIMP is both free and open source, therefore, the need to spend a ton of money ...

The GIMP photo editing software includes the ability to convert your JPEG image files into many other file types, including a TIFF file. A wide variety of file formats are compatible with GIMP, ...

The GIMP graphics editing program places a ruler above and to the left of the images you are working on. You can use these rulers to measure parts of your image, draw straight lines, layout image ...