Automatic vectorization is up and working. Upload an image of at least 0.5 megapixel and after a little while you should see a vectorized version in your profile.
I got best results with images larger than 1 megapixel. The website service will automatically resize it in case it was larger than 1MP down to 1MP. Try to edit the picture before uploading and add any effects you want like an oval or heart shaped crop.
Soon, I will add another interface by which users can request custom trace or to retrace an image that has been already vectorized before.
It already started generating some pictures, and I already see some errors esp. with alpha channel png files, so stick with full color ones for now . I’ll go to sleep now, and tomorrow I will write a detailed post.
Send feedback whenever possible.