In this post I will show how you easily can highlight text in an image using the free image editor GIMP.

Step 1

Open an image file containing text in GIMP. An example is shown below:

Sample text

Step 2

Create a new empty layer above it:

GIMP layers

Step 3

Select the new layer. Then use the paintbrush tool with a color of your liking and draw on the text you want to highlight:

Painted text

Step 4

Change the mode of the layer containing the drawing from Normal to Darken only:

GIMP change layer mode

Done

This is the final result:

Marked text