When is it ripe?
A ripe pineapple should have a firm shell but be slightly soft with a bit of give when you squeeze it. Pineapples that are completely solid or hard when squeezed are unlikely to be fully ripe. Ripe pineapples should have a firm shell that is slightly soft when squeezed.
Will a pineapple ripen on the counter?
Contrary to popular belief and practice, your pineapple will not
ripen on the counter. Truth be told once pineapples are picked they stop ripening. When you place your pineapple on the counter, it will become softer and juicier but it will not become sweeter.