No, but they're so easy to de-seed. When you cut them in half, you just cut a tiny slit at the top between the two halves, then push your thumbs into both hemispheres and the seeds and gel splooge out 😁
Yep. Takes me about 2 extra seconds whenever I'm making a salad or something. Of c, that's with a Roma or cocktail (bigger than a cherry but smaller than a Roma) variety, not a larger tomato.