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Build softwares faster without worrying about the code and ship incredible products.

Smart Autocomplete

Completes full functions with code.

Instant Scaffolding

Generates components and routes instantly.

Context-Aware Coding

Understands your codebase and stack.

Solo

Up to 2 projects

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Solo

Up to 2 projects

Free Forever

Solo

Up to 2 projects

Free Forever

Team

Unlimited projects

$29/mo

Team

Unlimited projects

$29/mo

Team

Unlimited projects

$29/mo

STATS

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Tech teams globally are optimizing their resources and boosting productivity with Coder.

Bug Fixer

Agent Mode

98%

faster time to market

6X

faster to build and ship

20

days saved on daily builds

365%

increase in productivity

USE CASES

How devs use it on the daily basis

Our editor explains code in plain English, traces logic, and highlights potential issues before you hit run.

Writing tests

Fixing bugs

Full-stack apps

Exploring APIs

Refactoring code

Collaboration

CODE

Effortless setup

Get started effortlessly by having agents expertly manage your codebase, just like a trusted member of your team.

Safe code

Understands any codebase

Javascript

Typescript

Next.js

document.body.innerHTML = `
  <h2>Todo List</h2>
  <input id="todoInput" placeholder="Add a task..." />
  <button onclick="addTodo()">Add</button>
  <ul id="todoList"></ul>
`;

const todoInput = document.getElementById('todoInput');
const todoList = document.getElementById('todoList');

function getTodos() {
  return JSON.parse(localStorage.getItem('todos') || '[]');
}

function setTodos(todos) {
  localStorage.setItem('todos', JSON.stringify(todos));
}

function renderTodos() {
  const todos = getTodos();
  todoList.innerHTML = '';
  todos.forEach((todo, index) => {
    const li = document.createElement('li');
    li.textContent = todo;
    li.onclick = () => deleteTodo(index);
    todoList.appendChild(li);
  });
}

function addTodo() {
  const todos = getTodos();
  const newTodo = todoInput.value.trim();
  if (newTodo) {
    todos.push(newTodo);
    setTodos(todos);
    todoInput.value = '';
    renderTodos();
  }
}

function deleteTodo(index) {
  const todos = getTodos();
  todos.splice(index, 1);
  setTodos(todos);
  renderTodos();
}

renderTodos();

Javascript

Typescript

Next.js

document.body.innerHTML = `
  <h2>Todo List</h2>
  <input id="todoInput" placeholder="Add a task..." />
  <button onclick="addTodo()">Add</button>
  <ul id="todoList"></ul>
`;

const todoInput = document.getElementById('todoInput');
const todoList = document.getElementById('todoList');

function getTodos() {
  return JSON.parse(localStorage.getItem('todos') || '[]');
}

function setTodos(todos) {
  localStorage.setItem('todos', JSON.stringify(todos));
}

function renderTodos() {
  const todos = getTodos();
  todoList.innerHTML = '';
  todos.forEach((todo, index) => {
    const li = document.createElement('li');
    li.textContent = todo;
    li.onclick = () => deleteTodo(index);
    todoList.appendChild(li);
  });
}

function addTodo() {
  const todos = getTodos();
  const newTodo = todoInput.value.trim();
  if (newTodo) {
    todos.push(newTodo);
    setTodos(todos);
    todoInput.value = '';
    renderTodos();
  }
}

function deleteTodo(index) {
  const todos = getTodos();
  todos.splice(index, 1);
  setTodos(todos);
  renderTodos();
}

renderTodos();

Javascript

Typescript

Next.js

document.body.innerHTML = `
  <h2>Todo List</h2>
  <input id="todoInput" placeholder="Add a task..." />
  <button onclick="addTodo()">Add</button>
  <ul id="todoList"></ul>
`;

const todoInput = document.getElementById('todoInput');
const todoList = document.getElementById('todoList');

function getTodos() {
  return JSON.parse(localStorage.getItem('todos') || '[]');
}

function setTodos(todos) {
  localStorage.setItem('todos', JSON.stringify(todos));
}

function renderTodos() {
  const todos = getTodos();
  todoList.innerHTML = '';
  todos.forEach((todo, index) => {
    const li = document.createElement('li');
    li.textContent = todo;
    li.onclick = () => deleteTodo(index);
    todoList.appendChild(li);
  });
}

function addTodo() {
  const todos = getTodos();
  const newTodo = todoInput.value.trim();
  if (newTodo) {
    todos.push(newTodo);
    setTodos(todos);
    todoInput.value = '';
    renderTodos();
  }
}

function deleteTodo(index) {
  const todos = getTodos();
  todos.splice(index, 1);
  setTodos(todos);
  renderTodos();
}

renderTodos();

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