@font-face {
    font-family: 'ABC diatype';
    src: url('https://cdn.replit.com/dotcom/fonts/ABCDiatypePlusVariable.woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
  }
  
h1,
h2,
h3 {
  font-family: 'ABC diatype';
  letter-spacing: normal !important;
}

#card-group {
  background-color: #F8F8F9;
}

.card {
  background-color: transparent !important;
}
#home-search-entry {
  outline: 4px solid rgb(229, 231, 235);
}

.dark #home-search-entry {
  outline: 4px solid rgb(21, 21, 21);
}

a[href*="mintlify.com"] {
  display: none !important;
}

#content-area {
  max-width: 640px;
  margin: 0 auto;
}

@media screen and (min-width: 1280px) {
  #content-area {
    min-width: 680px;
    max-width: 680px !important;

  }
}

@media screen and (min-width: 1536px) {
  #content-area {
    min-width: 680px;
    max-width: 720px !important;
  }
}

#content-area img:not(.no-style):not(.icon-svg) {
  max-height: 40vh;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
}

#content-area .icon-svg {
  display: inline;
  max-height: none;
  margin: 0;
  border-radius: 0;
}

.dark .icon-svg {
  filter: invert(1);
}

iframe {
  width: 100%;
  aspect-ratio: 16/9;
}

iframe[src*="youtube.com"] {
  border-radius: 8px;
  width: 100%;
  aspect-ratio: 16/9;
}

/* Navigation collapse styles */
ul[data-collapsed="true"] > li:not(:first-child) {
  display: none !important;
}

h5 svg {
  transition: transform 0.2s ease-in-out;
}

code {
    padding-left: 2px !important;
    padding-right: 2px !important
}

Developer tools

Why can’t I access my running web application?

Why can’t I edit the URL in Preview?

What’s the difference between the Preview and an Extension?

FAQs

Learn how to preview and debug web applications using Replit's Preview tool, including developer tools, domain linking, and troubleshooting common issues.

Preview

Replit

Replit is a browser-based platform where you can effortlessly create and share apps without installation or setup.

Introduction

Replit Apps help you transform your ideas into apps anyone can access, anywhere.

Overview

Replit Apps

One of the great parts about Replit is that _everything_ you make can be shared with the world. Since your code is hosted in the cloud, it's as simple as one click!

Collaboration

Learn how to create and manage private Replit Apps with a Core membership or Teams Pro account. Control access to your projects with privacy settings.

Visibility

Replit App Visibility

Learn how to configure your Replit App using .replit and replit.nix files to manage dependencies, run commands, environment variables, and deployment settings.

Advanced Configuration

Replit App Configuration

Embedding a Replit App in your website or documentation allows you to display a read-only view of your code, meaning viewers can see but not edit the code. This feature is particularly useful for showcasing examples, tutorials, or code snippets directly within your content.

App Embed

Replit App Embed

Replit's AI-powered tools help you code faster, solve problems more efficiently, and deliver production-ready apps.

Replit AI

Replit Agent uses AI to set up and create apps from scratch. Describe your app in everyday language, and it can set up and create your Replit App in minutes.

Replit Agent

Replit Assistant uses AI to help you create and polish your app quickly. Type what you want in everyday language, and it can add new features or fix problems for you. Assistant can also analyze your code to explain what it does and suggest the next lines as you type.

Replit Assistant

Agent supports numerous integrations enabled automatically when your prompt contains specific keywords.

Integrations

Agent integrations

The Replit workspace is an environment where you can create apps and write code in a single browser tab without any installation or setup. From the workspace, you can create, run, and deploy your apps from any device.

The Workspace is like an IDE (Integrated Development Environment), providing a comprehensive set of development tools and features for creating, debugging, and managing your software. It helps you quickly and easily create, modify, and collaborate on your code.

Introduction to the Workspace

A Workflow is a easily configurable 'Run' button that can run any command(s) you'd like.

Workflows

Replit supports a variety of languages and dependency management systems through the Dependencies tool. This section will cover the different types of dependencies and how to manage them in your Replit App.

Dependency Management

Learn how to set up and use SSH to connect your local development environment to Replit Apps for secure remote access and file synchronization.

Extensions are applications you can develop to enhance the functionality and tools available within the Replit Workspace.

Extensions

Learn how ports work in Replit's cloud environment, including port forwarding, configuration, and troubleshooting for your web applications.

Ports

Learn how to view, add, and modify keyboard shortcuts that can boost your productivity in Replit.

Keyboard Shortcuts

If your Replit App can be used as a good starting point for other project, you might want to submit it as a template! Let's learn what a Replit template is and how to make a good one.

Templates

Share your Replit Apps with the world in just a few clicks.

Learn about file storage and database options on Replit.

Storage and Databases

Database is a Replit workspace tool that lets you set up a database for your apps to store and query your data.

Database

The Replit Mobile App for iOS and Android lets you create apps using all of Replit's tools on the go.

Mobile App

Replit Mobile App

The Replit Desktop App for macOS, Windows, and Linux lets you create apps using all Replit's tools in a focused coding environment.

Desktop App

Replit Desktop App

Learn about Replit Core membership features and benefits to enhance your development experience with advanced tools and capabilities.

Replit Core

Learn about Replit Core membership features including AI coding assistance, powerful workspaces, monthly credits, deployments, and exclusive perks.

Learn how to add, customize, and embed a Made with Replit badge in your Replit App to showcase your project and link back to your cover page.

Add a "Made with Replit" badge to your App

Command Line User Interface, often referred to as the CLUI is an interactive command bar from which you can perform a variety of actions. There are three variations of the CLUI located across Replit- Account, Shortcuts, and Workspace.

CLUI, the Graphical CLI

Learn how to implement Google OAuth authentication in a Flask app on Replit, including user login and Google Sheets API integration.

Google Authentication in Python and Flask

Find answers to common questions about Replit, including account management, troubleshooting, billing support, and using key features.

Replit is the fastest way to create and publish cross-platform mobile apps using Expo, without any setup or configuration.

Create mobile apps with Replit

Building Mobile Apps with Expo and Replit

Build a fun image generator in 5 minutes using Replit's AI tools. Perfect for beginners exploring no-code development.

Create a cat image generator

Build a file conversion app in 15 minutes using Replit's AI tools. Learn how to use Agent and Assistant to create apps through natural language.

Create a file converter with AI

Learn about the security features built into Replit.

Built-in security features

Replit's built-in security features

Follow this comprehensive security checklist to ensure your vibe coded applications follow best security practices.

Security checklist

Security checklist for vibe coding

Learn how to use Model Context Protocol (MCP) to give AI models access to tools, data sources, and real-world capabilities in just 3 minutes.

Learn about MCP in 3 minutes

Learn how to use Grok 3 and Replit to build and deploy a brick breaker game without writing a single line of code.

Deploy a Grok 3 app on Replit

Deploy a Grok 3 app on Replit in 5 minutes

Build an app that connects to Google Sheets using Python. Learn how to fetch and process spreadsheet data on Replit.

Create a Google Sheets integration

Build a fun Discord bot that tells jokes. Learn how to use the Discord API and deploy your bot on Replit.

Create a Discord bot

Build and deploy a modern React application using Next.js on Replit. Learn how to use server-side rendering and static generation.

Create a Next.js app

Build and deploy a web application using Flask on Replit. Learn how to use autoscaling for reliable web hosting.

Create a Flask app

Build and deploy a high-performance API using FastAPI on Replit. Learn how to use autoscaling for reliable API hosting.

Create a FastAPI service

Build and deploy a modern static blog using Astro on Replit. Learn how to use static deployments for fast, reliable content delivery.

Create a static blog with Astro

Build a bot that scrapes HackerNews and sends updates to Slack. Learn how to use scheduled deployments and integrate with external services.

Create a HackerNews Slack bot

Build a Slack bot that summarizes channel activity using GPT-4. Learn how to integrate AI with Slack's API.

Create a Slack channel summarizer

Learn how to connect to your Replit database from your Replit App.

Add a SQL database

Connect your app to a SQL database

Learn how to use the Python Object Storage client library to manage objects from your Replit App.

Object Storage in Python

Manage Object Storage in Python

Learn how to use the JavaScript Object Storage client library to manage objects from your Replit App.

Object Storage in JavaScript

Manage Object Storage in JavaScript

Replit's billing system helps you optimize your spending on the platform.

Billing

Learn how billing and credits work for Replit AI features including Agent and Assistant usage, checkpoints, and managing your spend.

Replit AI Billing

Summary of the Deployment pricing changes coming in spring 2025.

Deployment Repricing (Feb 2025)

Learn how Replit charges for Object Storage.

Object Storage Billing

Learn how Replit bills for deployments and databases, including outbound data transfer, compute units, requests, and PostgreSQL usage metrics.

Deployments and Database Billing

Set up usage alerts and budgets to monitor and control costs for usage-based billing services on Replit. Get notified when you reach spending thresholds.

Managing Your Spend

Learn about Replit's policies on security, privacy, licensing, usage limits, and other legal matters to help you use the platform safely and effectively.

Legal and Security

Learn how public and private Replit Apps are licensed, including MIT license details and how to specify custom licenses for your projects.

Licensing information

Learn about warnings, banned community access, and site bans in Replit.

Strike system FAQ

Learn about Replit's account inactivity policy, when accounts may be terminated, and how paid subscriptions affect account status.

Account Inactivity

Learn how to permanently delete your account and personal information from Replit using either the web browser or mobile app.

Deleting your data

We understand that your code, applications, and user-data hosted on Replit are very important, so we take seriously our responsibility to safeguard it. After all, we use Replit to build our business too!

Security

Replit offers different support options for all Replit users, members and free.

Support Policy

At Replit, we strive to create a fun and creative community that is also trusted and safe. To achieve this goal, we have implemented rules and policies that promote positive behavior and protect our users. In this document, you will find a summary of our key rules, tips on how to report any concerns, and information on where you can learn more.

Trust and Safety at Replit

Learn about Replit's resource limits, including CPU, RAM, storage, and network restrictions that apply to Replit Apps based on your plan.

Usage Quota & Limits

Learn about Replit's commitment to web accessibility, WCAG 2.1 compliance goals, current accessibility status, and how to provide feedback about accessibility features.

Replit web accessibility statement

Build and ship software faster with your team using Replit's collaborative development platform.

Replit Teams

Learn about Replit's security practices, data protection, and compliance standards

Information Security

Learn about seat pricing and usage-based billing for Replit Teams, including how invoicing works and monthly credit allocations per team member.

Learn how to add and remove seats in your organization, including prorated billing and scheduling changes for the next billing period.

Managing Seats

Learn how to cancel your organization subscription and understand what happens to your resources when you delete your organization.

Cancellation

Welcome! These docs contain docs, examples, and API references for the Replit Extensions platform.

Extension Developer Docs

Learn how to build a basic Replit extension by creating, previewing, and adding features to a sample project using Extension Devtools and the Extensions API.

Create an Extension

Create your first Replit Extension

Replit provides a few templates to help you get started with your extension. You can find them in the "Create Replit App" menu, or fork one by clicking a link below.

Extension Templates

On this page, you'll learn the key concepts of Replit Extensions. If you're new to Extensions, we recommend you start with the [Get Started guide](/extensions/).

Key Concepts

Learn how to build Replit extensions using React, Extension Devtools, and API integrations. Get started with templates or manual installation.

Development

Learn how to use Replit's Extension Devtools to manage metadata, file handlers, and tools while developing your extension.

Extension Devtools

Learn how to build a full-stack extension by creating a separate backend API server to handle requests from your extension client on Replit.

Full-Stack

Learn how to install and initialize the Replit Extensions API client using script tags or npm packages for your project.

Manual Installation

Learn how to prepare and publish your Replit Extension to the store, including icon design, build configuration, and the review process.

Publish your Extension

Learn how to build Replit Extensions with step-by-step examples including a JSON editor, snippet manager, and JavaScript command tools.

Examples

Build a custom JSON editor extension for Replit using React and react-json-view to enable structured editing and code folding of JSON files.

JSON Editor

Learn how to build a snippet manager extension that lets developers store and organize code snippets directly within the Replit workspace.

Snippet Manager

Learn how to build an extension that adds JavaScript-related commands to Replit for managing npm packages and running scripts.

JavaScript Commands

Complete reference documentation for all Replit extension APIs, including authentication, commands, filesystem access, and workspace integration.

API Reference

Learn how to configure your Replit Extension with the extension.json manifest file. View required fields, optional properties, and supported types.

Manifest

Extension manifest reference

Learn how to authenticate users securely in your Replit extensions using the auth API module. Get and verify JWT tokens for user authentication.

Authentication API

auth API

Learn how to use background scripts to run persistent code in your Replit extension from startup until the workspace closes.

Background Script API

Register and manage custom commands for the Replit command bar and other extension points using the commands API module.

commands API

Access Replit's GraphQL API to retrieve user information, Replit App metadata, and other platform data through the Extensions API.

Data API

data API

Learn how to use the debug API module to log data, warnings, and errors to the Extension Devtools in Replit extensions.

Debug API

debug API

Access and manage editor preferences in Replit Apps using the editor API module. Get settings like font size, indentation, and code intelligence.

Getting Started

Replit Apps

Replit AI

Replit Workspace

Deployments

Storage and Databases

Platforms

Replit Core

Additional Resources

FAQ

Preview

Developer tools

FAQs

Why can’t I access my running web application?

Why can’t I edit the URL in Preview?

What’s the difference between the Preview and an Extension?

Getting Started

Replit Apps

Replit AI

Replit Workspace

Deployments

Storage and Databases

Platforms

Replit Core

Additional Resources

FAQ

​Developer tools

​FAQs

​Why can’t I access my running web application?

​Why can’t I edit the URL in Preview?

​What’s the difference between the Preview and an Extension?

Developer tools

FAQs

Why can’t I access my running web application?

Why can’t I edit the URL in Preview?

What’s the difference between the Preview and an Extension?