1. Download The Gimp
2. Open the Image in The Gimp.
3. At the Toolbox, Click on the Free Select Tool.
4. Select the entire object by clicking on the sides of the object. Make sure the first dot and the last dot is linked.
5. At the Menu bar, Click on Select -> Invert.
6. At the Menu bar, Click on Colors -> Desaturate.
7. At the Desaturate Window, Select Lightness -> Click OK.
8. At the Menu bar, Click on Select -> None.