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Website to Chrome Extension Maker

Transform any website, web application, or PWA into a fully functional, Manifest V3 compliant Google Chrome Extension instantly. Customize name, colors, and behavior and download a ready-to-load unpacked extension ZIP.

Basics
Destination
Appearance
Review

Extension Basics

Set the identity of your Chrome Extension.

Pro Tip: Testing your extension locally

After downloading, go to chrome://extensions, enable Developer Mode, and click Load Unpacked to select your folder.

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Learn More About Chrome Extensions

Convert any website into a professional Chrome Extension (Manifest V3) in seconds. This browser-based generator creates all the necessary files, including the manifest, background service worker, and icons. Whether you're building a simpler wrapper for your favorite web app or creating a custom productivity tool, our builder ensures your extension is ready to be loaded into Chrome instantly.

Why convert a website to a Chrome extension?

Converting frequently visited web pages or progressive web apps into local browser extensions provides quick shortcut access directly in your browser taskbar. By wrapping a target URL into an extension frame, you can run web apps within a dedicated popup interface or customized tab environment, enhancing productivity. For validating metadata JSON configuration schemas later, you can use our JSON Formatter.
{
  "manifest_version": 3,
  "name": "My Custom Wrapper",
  "version": "1.0.0",
  "action": {
    "default_title": "My Custom Wrapper"
  }
}
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How to Use the Builder

1

Fill in basic extension parameters

Enter the name, description, and version number for your extension in the Basics step.

2

Provide the target website address

Input the destination web address (starting with https://) in the Destination step to set where your extension redirects.

3

Select the browser window opening mode

Choose whether your extension opens in a new tab, as a standalone popup window, or as a small popup dropdown.

4

Customize the look of the extension icon

Choose background color and font or upload a custom image file in the Appearance step to generate your branding assets.

5

Generate and load the package into Chrome

Click Pack Extension on the Review step, download the ZIP archive, extract it, and load it unpacked on the Chrome extensions panel.

Frequently Asked Questions

A manifest is a JSON file named manifest.json that contains crucial configuration metadata about the extension, such as its name, description, active permissions, and background script entry points.
Manifest V3 is the modern specification required by Google. It increases browser performance, security, and battery life by replacing persistent background scripts with transient service workers.
To install, unzip your downloaded archive. In Chrome, open the extensions management page, turn on Developer Mode, select Load Unpacked, and choose the extracted extension directory.
Yes. Since browsers like Microsoft Edge, Brave, Opera, and Vivaldi are built on the Chromium browser engine, they fully support Chromium extension structures and Manifest V3.
Yes. For tab or popup window modes, open background.js and change the URL string. For popup iframe mode, open popup.html and change the iframe source URL.
A background service worker is a script that runs in the background of the browser, handling action clicks and lifecycle events without keeping a continuous memory allocation.
Modern browsers prevent loading insecure HTTP content inside iframe wrappers and extension contexts to prevent user tracking and middleman injection attacks.
The builder allows you to specify a primary color to draw a letter-based icon automatically, or you can drag and drop a custom PNG or JPEG image to build standard extension icon assets.
Yes, you can compress the extension directory into a ZIP archive and upload it through the official Chrome developer dashboard, though you may need to add detailed screenshots.
Chrome warns users about unpacked extensions to prevent malicious scripts from loading automatically. This warning only shows for local developer versions.
The generated configuration requests the tabs permission in the manifest to allow the script to spawn new tabs and browser windows when clicking the toolbar shortcut.
Yes, the generated background JavaScript contains only clean, browser-native API calls that respond to action clicks, with zero remote server tracking or tracking injections.
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