Defringe

0:03 Defringe · see the starting image
Defringe reduces coloured edge contamination in the rendered image.

0:08 Inspect at 100%
Use the same zoom to compare real detail; Fit can hide small changes.

0:14 Choose the width of fringes to examine
Radius sets the neighbourhood around affected edges.

0:21 Lower the threshold to catch more fringes
A low threshold is more aggressive and can remove real small colour details.

0:29 Compare a different detection method
Detection methods estimate fringe colour differently. Inspect the same edge.

0:36 Bypass only this tool
Compare the same photograph at the same zoom. The settings are retained.

0:43 Restore the adjustment
Judge the change before combining it with other tools.

0:49 Reset and compare the starting state
Only this tool returns to its starting state. Other edits stay.

0:55 Explore the controls in the written tool reference
OmaRaw