Web apps

Build internal apps with rich interfaces, powered by your data.

Retool enables you to quickly build and deploy web apps for your business. Connect APIs and databases, assemble user interfaces with drag-and-drop components, write queries that read and write data, and perform complex logic and transformations using JavaScript.

Get started

Follow the interactive demo, read the introduction, or learn with a complete tutorial to build your first web app.

Introduction

Learn how Retool web apps work and the fundamental concepts involved.

Tutorial

Learn how to build a web app from start to finish.

Templates

Explore templates for a variety of use cases.

Connect data sources

Connect to nearly any API and database, or store data in a Retool-hosted PostgreSQL database.

Connect to an API

Connect to REST, GraphQL, and SOAP APIs.

Connect to a database

Connect to most databases and data stores.

Retool Database

Power apps with a fully managed PostgreSQL database.

Environments

Make use of separate environments for data, such as production and staging.

Assemble the UI

Assemble highly polished interfaces with our extensive library of UI components.

Explore web components

UI components for web apps.

Assemble components

Assemble rich user interfaces.

Build tables

Build tables to interact with data.

Generate forms

Generate input forms for your data sources.

Interact with data

Write queries that interact with data and use JavaScript almost anywhere.

Queries

Perform CRUD operations with your data.

SQL

Query data with SQL.

API requests

Perform API requests.

Transformers

Transform data using JavaScript.

Edit in VS Code

Edit queries in your local VS Code environment.

Script apps and user events

Use JavaScript anywhere, control app behavior, and respond to user actions.

Write JavaScript

Write JavaScript to control apps and handle user interactions.

Define option lists

Automatically map data to generate component values.

Handle user events

Trigger actions and queries in response to user interaction.

Custom JavaScript

Preload custom JavaScript code and libraries.

Build external apps and customer portals

Embed web apps into your existing apps or build dedicated portals for customers.

Embed web apps

Write JavaScript to control apps and handle user interactions.

Build customer portals

White-label the Retool experience for your end-users.