Is it ok to go into college unsure of a major?

It's more than okay. I'd say it's the norm. Part of your FYE (First-Year Experience) at a college or university will be exploring majors. I meet with students all the time who are unsure of their major. Even when a student has a major picked out, that doesn't mean that they'll stick with it as they learn more about it. Part of the purpose of college is to explore the possibilities. There are countless resources there to help you do that (e.g., the Career Center, academic and career counselors, first-year college courses specifically on becoming a college student, etc.).

Don't worry. You're far from alone.

Absolutely! Go in with an open mind. Even if you choose a major, you can change it. College is a time to explore your passions and expand your mind. I changed my major when I figured out what I liked. I am glad I did.

Out of 30 guys on my dorm floor freshman year, I would say about 1-2 truly knew what they wanted to do and actually graduated with a degree in that area. It is very common to be unsure going in, and a lot of time the experiences you have in college from meeting people, taking classes, doing projects, etc will be what leads you to finding your interests.

I also know countless people who changed majors, some more than once, and some very late in the game. So don't feel like just because you go in thinking one area means you won't be able to change it. Most schools have a fair amount of your coursework available for electives, so that "flexible space" allows you to shift majors and have the classes you took for your old major count as electives.