Dexie.js - Build Offline-First Apps with IndexedDB Made Simple

Zero-config & no backend skills needed

Build fast, scale big
Dexie handles

IndexedDB made simple. Add cloud sync for auth, storage, with real-time updates. One unified data layer across all platforms — no backend required. Truly offline-first.

import { Dexie } from "dexie";

const db = new Dexie('MyDatabase');

// Declare tables, IDs and indexes
db.version(1).stores({
  friends: '++id, name, age'
});

Primary Benefits

Why use Dexie?

Local-first Storage

Starts with powerful IndexedDB — the built-in, offline-ready database for the browser.

• Instant access, no setup

• Runs on web, mobile, embedded

• Single-user to multi-user sync

Cloud Storage

Store and access files and data directly from the frontend — no servers to maintain.

• Unlimited storage & databases

• Store data, files and Yjs documents

• Per-object access control

Authentication

Built-in user management and login. Optimized for hybrid applications on all platforms.

• No cookie or session management

• Oauth and custom login support

• Secure, token-based authentication

Sync & Realtime

Effortlessly sync and share data in real-time across all devices.

• Instant data synchronization

• Collaborative editing and sharing

• Conflict-free data updates

Cross-platform

Write once — run anywhere JavaScript runs.

• Web

• Mobile (PWA, Capacitor, Tauri)

• Desktop (Electron, NW.js)

• Embedded (Node.js, React Native)

Any framework

Works with any JavaScript framework or library.

• React

• Vue

• Angular

• Svelte

Dexie Cloud Quickstart

A simple but concice Dexie Cloud application, built with vanilla React and Vite. It is a great starting point for building your own Dexie Cloud application.

• Typescript + Vite + React

• PWA with Service worker & manifest

• Offline storage and sync

• Best way to learn the basics

• Starter template for your own app

• Sharing and access control

Dexie Cloud Starter

Dexie Cloud Starter uses collaborative text editing with Y.js and Tiptap. Inspired by the popular MyMind app, it demonstrates how to build a collaborative note-taking application using Dexie Cloud.

• NextJS and TypeScript

• Offline storage and sync

• Conflict-free rich text editing

• Tiptap and Y.js with awareness protocol

• Image upload and storage

• Full text search in notes

• Full sharing support

• Social Authentication

Sveltekit Dexie-boilerplate

An example of a Dexie Cloud application built with Svelte. It is a great starting point for building your own Dexie Cloud application using Svelte.

• Svelte framework

• Build-in authentication

Custom optimized onboarding with Dexie Auth

Complete user authentication with passwordless login and OAuth providers. What typically requires complex backend setup and multiple services is handled entirely by Dexie Auth with no backend needed.