PWA Manifest Generator

Create, validate and download manifest.json for Progressive Web Apps. Build installable web apps with icons, shortcuts, screenshots, theme colors and offline support in seconds.

Start Generating Learn How

Powerful Features

Everything you need to create a production ready web app manifest for your Progressive Web App

Live Preview

Real-time JSON preview with syntax highlighting as you fill the form. See exactly what your manifest.json will look like.

Icon Generation

Upload one image and generate all required icon sizes from 72x72 to 512x512 with maskable support for adaptive icons.

Validation

Built-in validation checks required fields, hex colors, valid URLs, and PWA best practices to ensure your manifest works.

Shortcuts & Screenshots

Add app shortcuts for quick actions and screenshots for app stores. Full support for manifest v3 specifications.

One Click Download

Download your manifest.json file instantly. Copy to clipboard or validate before deployment. No registration required.

PWA Best Practices

Generated manifests follow Google PWA standards and Lighthouse guidelines for optimal installable experience.

How It Works

Generate your PWA manifest in 4 simple steps

1

Fill Basic Info

Enter your app name, short name, description and start URL. These are required fields for any PWA manifest.

2

Upload Icons

Upload your app icon and we generate all sizes. Add screenshots and configure theme colors to match your brand.

3

Add Shortcuts

Define app shortcuts, display mode, orientation and other advanced settings for your Progressive Web App.

4

Download & Deploy

Validate your manifest, copy the JSON or download the file. Link it in your HTML and deploy your PWA.

PWA Manifest Generator

Configure your web app manifest settings and preview the JSON output in real time

Manifest Configuration

App name is required
Short name is required and should be under 12 characters
Valid start URL is required
Enter a valid hex color
Enter a valid hex color
Comma separated values

Icons

We will generate all required sizes

Shortcuts

Screenshots

Live JSON Preview

{
  "name": "",
  "short_name": "",
  "start_url": "/",
  "display": "standalone"
}

What is a PWA Manifest and How to Create One

A PWA Manifest Generator is an essential tool for developers building Progressive Web Apps. The web app manifest is a JSON file that tells the browser about your Progressive Web App and how it should behave when installed on a user's mobile device or desktop. This manifest.json file is a critical component that enables installable features, add to home screen functionality, and native app-like experiences on the web.

To create a manifest.json file, you need to define key properties like name, short_name, icons, start_url, display mode, theme_color, and background_color. The name appears in the app installation dialog, while short_name is used on the home screen when space is limited. The start_url defines where your Progressive Web App launches, and display controls whether it opens in standalone mode, fullscreen, or minimal-ui. Theme_color customizes the browser toolbar and task switcher, while background_color sets the splash screen during app launch.

Our PWA Manifest Generator simplifies this process with a visual interface. You can configure icons in multiple sizes from 72x72 to 512x512, add screenshots for app stores, define shortcuts for quick actions, and set categories for better discoverability. The tool validates required fields, checks hex colors, verifies URLs, and generates a production ready manifest.json that passes Lighthouse audits. Once generated, link your manifest in the HTML head with <link rel="manifest" href="/manifest.json"> and pair it with a service worker for full offline support.

Examples of successful Progressive Web Apps include Twitter Lite, Starbucks, Pinterest, and Spotify. These installable web apps use manifest.json to provide native features like push notifications, background sync, and offline functionality. Whether you are building a new Progressive Web App or converting an existing website, a valid web app manifest with proper icons, display settings, and metadata is the foundation for creating an app-like experience that users can install from the browser without app stores. Use our free PWA Manifest Generator to ensure your manifest follows best practices for theme_color, display modes, shortcuts, and screenshots to maximize user engagement and installation rates.

Frequently Asked Questions

Common questions about PWA Manifest and Progressive Web Apps

A PWA Manifest is a JSON file that provides information about your Progressive Web App to the browser. It contains metadata like name, icons, theme colors, display mode, and start_url that controls how your app appears when installed on a user's device and launched from the home screen.
Yes, the manifest.json file is a core requirement for Progressive Web Apps. Along with a service worker and HTTPS, the web app manifest makes your website installable and enables features like add to home screen, custom splash screens, and standalone display mode.
You should provide multiple icon sizes for different devices. Google recommends at least 192x192 and 512x512 sizes. This generator creates icons for 72x72, 96x96, 128x128, 144x144, 152x152, 192x192, 384x384, and 512x512 to ensure compatibility across all platforms.
theme_color defines the color of the browser UI and task switcher when your PWA is open. background_color is used for the splash screen that appears while your app is launching. Both should match your brand colors for a consistent installable experience.
Use the Validate Manifest button in this PWA Manifest Generator to check for required fields, valid URLs, and proper formatting. You can also use Chrome DevTools Application panel or Lighthouse to audit your web app manifest for PWA compliance and best practices.

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