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Improve image quality with Gimp - the best tips

In this practical tip, we will show you how you can improve the image quality of photos with the Gimp using interesting tools and functions.

1. Gimp tip: improve colors

Gimp has a few tools that you can use to automatically enhance the colors of a photo. On the Gimp menu bar, click Colors, then click Automatic.

  • The "normalize" function brightens underexposed images. Another variant of normalization is "contrast spreading".
  • "Equalize" tries to distribute image colors evenly over the range of all possible intensities.
  • The "Color Enhancement" function increases the color saturation of the active layers.
  • "White balance" enhances the white and black in images.
  • You can also use the "Automatic color values" function in the menu bar under "Colors" and "Values". Contrast and color of the image are automatically adjusted correctly with this tool.

2. Gimp tip: improve image sharpness

There are also some features that can be used to sharpen a photo with the Gimp.

  • To increase the sharpness of a photo, click on "Filters" in the menu bar and then on "Enhance". At this point select "Unsharp Mask". The values ​​that have already been set usually work very well. At the end, confirm with "OK".
  • If, on the other hand, you want to reduce the graininess of an image, then it is best to use the filter "Selective Gaussian Blur" with a radius of 1 or 2. You can find the function in the menu under "Filter" and "Blur".

3. Gimp tip: adjust contrast and saturation

Often it is enough to just change the contrast or saturation of the photo.

  • The "Brightness / Contrast" function is easy to use here. You can find the setting in the menu under "Colors". In a separate practical tip you can read in detail how you can best correct differences in brightness with Gimp.
  • You can set the color saturation in Gimp according to your requirements via "Colors" and "Hue / Saturation".

Video tip: remove red eyes with Gimp

Read in the next practical tip how to create sepia and vintage effects in Gimp.