Banner maker is currently in beta. This means that there will be changes made to the tool before it is released based on your feedback, so be sure to write a comment at the end with any suggestions you might have!
Now you can easily make the profile banner you've always wanted for your userpage! Already have a banner image and just want to add links? Try out the Banner Link Adder.
Recently made user banners:
Minimum recommended resolution: 600x190px
.png or .jpg/jpeg only, Max 5MB, can crop