Tofu — Food safety facts
Safe to share · Cats · full breakdown on the linked food page
Plain, unseasoned tofu in small cubes is safe and easy to digest.
Short answer
Yes, plain tofu is safe for cats in small amounts. Unseasoned cubes are easy to digest and unlikely to cause issues. Just offer it as an occasional treat, not a meal replacement. If your cat seems unusually lethargic or vomits afterward, check with your vet.