How to Set Up Prettier in Next.js (With Every Error Fixed Step by Step)

You just started a fresh Next.js project. Your code looks messy. Your tabs and spaces are at war. A teammate opens the same file and now there are 47 formatting "changes" in the diff — even though nothing actually changed. Sound familiar? 😅 That's exactly why Prettier exists. It's a code formatter that takes your messy code and makes it clean, consistent, and predictable. Every time. Automatically. But setting it up in a modern Next.js project isn't always smooth. Especially if you're using ESL