06-16-2017, 10:27 AM
Just a confirmation, this is editing an image. Not trying to edit something in a web browser that you see? Do not laugh, it has been attempted.
No easy / automatic way, use the clone tool to select a plain part of the background and using different size of brush clone in around the defect.
https://docs.gimp.org/de/gimp-tool-clone.html
Then more repairs with a 1 pix brush to fill in missing bits.
The jpeg you posted has a lot of jpeg artefacts, you would be better making your screenshot in a lossless format, say png.
No easy / automatic way, use the clone tool to select a plain part of the background and using different size of brush clone in around the defect.
https://docs.gimp.org/de/gimp-tool-clone.html
Then more repairs with a 1 pix brush to fill in missing bits.
The jpeg you posted has a lot of jpeg artefacts, you would be better making your screenshot in a lossless format, say png.