Just a quick reminder that this sub isn't the place for simply voicing personal opinions (OP, if you're looking for that, do try x-posting to /r/history or any of various regional subs, e.g. /r/france or /r/AskUK or wherever); appropriate responses here would discuss how Napoleon is regarded by various historians, or in national cultures, etc.
Having said that, we have had several previous posts on this question here, so, OP, you can get started in this section of the FAQ:
If you have follow-up questions on archived posts, ask them here & include the relevant user's username to notify them