Custom development service

Custom Chrome extension development for your website.

Skip the technical setup. ExtensionFast builds a custom Chrome extension around your website and delivers the complete package and source code to you.

100% custom Manifest V3 Full source code Delivered by email

A focused Chrome extension development service

ExtensionFast is designed for website owners who want a custom extension without managing the technical build themselves.

01

You provide the website

Your site gives us the branding, context and starting point for the extension project.

02

We handle the build

The technical extension package is prepared in Manifest V3 with a custom interface and workflow suited to your activity.

03

You receive everything

The complete source code and ZIP package are delivered to you so you can publish from your own developer account.

What a website extension can look like

The useful part is not simply opening your website in a tab. A good extension gives visitors a faster way to use a real feature from Chrome.

EmojiScript Chrome extension icon
EmojiScriptemoji-script.com

A quick-access coding tool that brings the site’s core Emoji Script experience directly into Chrome.

Guitar Tuner Fast Chrome extension icon
Guitar Tuner Fastguitar-tuner-fast.com

An interactive guitar tuner experience designed to feel closer to a compact app than a simple bookmark.

ChromeKeePass Chrome extension icon
ChromeKeePasschromekeepass.com

A browser utility with a focused interface for connecting a local KeePass workflow and using the built-in generator.

What is included in the service?

Custom Chrome extension based on your website
Manifest V3 source code
Your branding, favicon and website identity
Complete extension ZIP
Publishing tutorial for the Chrome Web Store
No subscription required to keep the files

ExtensionFast vs. managing a build yourself

The main difference is the amount of technical work you need to handle before you have a package ready to publish.

TaskBuild it yourselfExtensionFast
Manifest V3 setupYou configure itIncluded
Popup interfaceYou design and code itIncluded
Brand integrationYou prepare itIncluded
Source filesYou maintain themDelivered to you
PublishingYour accountYour account + guide

FAQ

Quick answers before turning your website into a Chrome extension.

Is ExtensionFast a Chrome extension development service?

Yes. ExtensionFast creates a custom Chrome extension package around your website and delivers the source files to you.

Who owns the extension after delivery?

You receive the complete package and source code. No subscription is required to keep the files.

Will you publish the extension for me?

The package is delivered ready for you to publish through your own Chrome Web Store developer account. A publishing guide is included.

How fast is delivery?

After payment, custom extension delivery is generally handled by email within 30 minutes.

What is the current price?

The current one-time offer is $69, reduced from $100.

Ready to give your website its own Chrome extension?

Enter your website, confirm the detected branding, complete payment, and receive your custom extension package by email.

Create my extension for $69 →