Using Gimp 3 ? (must have a time machine
)
Not automatic and always depends on the image...but...
Colors -> Threshold and a bit of adjustment with the slider should give a pure black & white image
![[Image: UWe3wlf.jpg]](https://i.imgur.com/UWe3wlf.jpg)
Change white to something else Colors -> Map -> Color Exchange select the "To Color"
![Wink Wink](https://www.gimp-forum.net/images/smilies/wink.png)
Not automatic and always depends on the image...but...
Colors -> Threshold and a bit of adjustment with the slider should give a pure black & white image
![[Image: UWe3wlf.jpg]](https://i.imgur.com/UWe3wlf.jpg)
Change white to something else Colors -> Map -> Color Exchange select the "To Color"
![[Image: oQfTpnk.jpg]](https://i.imgur.com/oQfTpnk.jpg)