What Is Cursor and How Do You Use It
The AI-powered code editor that writes code alongside you — here's how to get the most out of it.
A Code Editor That Types With You
Cursor is a code editor — like VS Code or Sublime Text — but with AI built directly into it. Instead of just editing text, it can read your code, understand what you're trying to do, and write code for you. You can think of it as having a knowledgeable coding partner sitting right next to you, ready to help at any moment.
Most code editors are just fancy text editors. You type everything out, line by line. Cursor changes the game: it watches what you're working on and suggests entire blocks of code, explains what a piece of code does, finds bugs, and even rewrites sections to fix problems.
The name "Cursor" comes from the blinking cursor you see when you type. But in Cursor, that cursor can think — it knows what's around it, what you're trying to build, and can jump in with suggestions exactly when you need them.
Write Code Faster Without Starting From Scratch
Writing code from scratch is slow. Even experienced programmers spend a lot of time on repetitive tasks: setting up files, writing boilerplate, looking up syntax, and debugging simple mistakes. Cursor handles all of that so you can focus on the actual problem you're solving.
This matters especially for beginners. Learning to code is hard enough without fighting your tools. Cursor can explain what code does in plain English, catch your mistakes before they become bugs, and suggest next steps when you're stuck.
💡 Key Insight
Cursor doesn't replace knowing how to code — it makes the parts of coding that are tedious (syntax, formatting, boilerplate) disappear, so you can spend your energy on the creative parts: designing what to build.
Four Main Ways to Talk to Cursor
Cursor gives you several ways to ask for help. Here are the four you'll use most:
Cmd/Ctrl + K — Inline Generation
Press this shortcut to open a text box at the bottom of your screen. Type what you want to add or change, and Cursor writes the code directly into your file. Great for adding features, fixing functions, or generating new blocks of code.
Cmd/Ctrl + L — Chat Mode
Opens a chat panel on the left side. You can ask questions like "Why is this function slow?" or "How do I add user login?" Cursor answers with code, explanations, or step-by-step guides. It's like asking a senior developer sitting next to you.
Tab — Autocomplete
Cursor watches what you're typing and suggests the next line or block of code. Hit Tab to accept, keep typing to ignore it. This works like supercharged autocomplete — it can suggest entire functions, not just the next word.
Cmd/Ctrl + Enter — Agent Mode
Cursor reads your whole project and can make changes across many files at once. Give it a goal like "Add dark mode to the app" and it will find the right files, make the changes, and show you what it did.
Adding a Feature With Cursor
Let's say you're building a simple to-do list app. You want to add a button that saves your list to the browser so it doesn't disappear when you refresh the page. Here's how you'd use Cursor to add that in seconds:
Add a "Save List" button that stores the to-do items in localStorage. When the page loads, restore the list from localStorage. Show a brief "Saved!" message after saving.
Cursor reads your existing code, understands the structure of your project, and writes something like this:
// Load saved list on page load const loadList = () => { const saved = localStorage.getItem('todos'); if (saved) { todos = JSON.parse(saved); renderTodos(); } }; // Save button handler saveBtn.addEventListener('click', () => { localStorage.setItem('todos', JSON.stringify(todos)); showMessage('Saved!'); }); loadList(); // Run when page opens
You didn't have to know the exact syntax for localStorage — you just described what you wanted, and Cursor filled in the rest. You can then review it, ask for changes, or accept it as-is.
Knowledge Check
Test what you learned with this quick quiz.