Watermark Images

Code

// watermark.sh
#!/bin/#!/bin/bash
for i in ./*; do
    composite -dissolve 55% -gravity Center -quality 100 logo.png "$i" "results/$(echo $i | cut -d '/' -f 2)"
done

Use

Create the file watermark.sh, inside the folder, and create folder results, inside the same folder, excute file with sh watermark.sh, replace logo.png with your logo.

Roadmap

Built a GUI. Make transparency adjustable. Pick logo from file system. Make position pickable.