Gimp: DPI of a photo change
The DPI of an image describe the image dots-per-inch. With Gimp, you can increase this value later in or zoom out.
- To do this, open the photo to be processed in the image-editing program.
- Then click in the menu bar, click "image" and "scale image".
- In the new window, set next to "Y-resolution" the unit "pixels/in". The unit is pixels-per-Inch, so DPI describes.
- Now you can change the value for the X - and Y-resolution and the DPI of the image to adjust.
- Save your Changes finally, with "OK".

Gimp: DPI adjust
Gimp: DPI for the new work area set
In Gimp you can not only edit already existing images, but also new working areas create and work with. Here, too, the DPI can be number arbitrarily set.
- To do so, open Gimp and click on "file" and "New". It opens a window.
- There you have to click on the section "Advanced settings".
- Next to the entry "Y-resolution", set the unit to "pixels/in".
- You can then set via the input fields "X-resolution" and "Y-resolution" is the DPI free.
- The finished work surface, they create OK.

Gimp: DPI adjust
This article applies to Gimp 2.8.10 on Windows 10.