Gimp: Whiten teeth - how it works

In this tip we explain how you can whiten teeth with Gimp.

Gimp: White teeth in five steps - that's how you whiten

1. Mark the tooth you want to whiten with the lasso tool in Gimp. You can also remove selected areas from the tooth selection by holding down the Ctrl key.
2. To avoid hard edges and corners when selecting, click on "Selection" in the Gimp menu bar and then on "Hide". Leave the default value of five pixels and confirm with "OK".
3. Now bleach the selection as follows: Click on "Colors" in the menu bar and there on "Hue Saturation".
4. Depending on the photo, other values ​​may be suitable. In the image shown above (on the left tooth) the values ​​shade: 18, brightness: 100, saturation: -71 were used. Low saturation and high brightness are usually useful to whiten teeth. You can move the sliders and see the change in the photo directly.
5. If you have decided on a setting, confirm with "OK".

In the next practical tip, read how you can improve image quality with Gimp. Read how to whiten teeth with Photoshop Elements here.