Gimp resize layer

As discussed before, pixels don't have a set size in the real world. When you set out to print an image on paper, needs to know how big each pixel is.

We use a parameter called resolution to set the ratio between pixels and real-world units such as inches.

By default, most images open with the resolution set to 72. This number was chosen for historical reasons as it was the resolution of screens in the past, and means that when printed, every pixel is 1/72 of an inch wide.

When printing images that are taken with modern digital cameras, this produces very large but chunky images with visible pixels.

How to change an image to 300 dpi in gimp

What we want to do is tell to print it with the size we have in mind, but not alter the pixel data so as not to lose quality.

To change the print size use → to open the “Print Size” dialog. Select a size unit you are comfortable with, such as “inches”.

Set one dimension, and let change the other one proportionally. Now examine the change in resolution. If the resolution is 300 pixels per Inch or over, the printed image's quality will be

how to increase picture quality in gimp

how to resize image without losing quality in gimp