Colorize images (monochromatic / monotone & duotone) online. Upload your image and pick a color to colorize it with.
Link to this page: “Colorize images”
You can link to this tool using this HTML code. Simply copy and paste it into your page:
<a href="http://manytools.org/image/colorize-filter/">Pick a color and create Monochrome / Monotone images online</a>
If you have any problems using this Colorize images, please contact me.