Extinde: build browser extensions without writing code

An AI-powered, no-code builder and marketplace for browser extensions.

Extinde is a no-code builder for browser extensions. You describe what you want in plain English, and the AI generates a complete extension, including the manifest, scripts, popup and icons, following Manifest V3 by default. You can refine it through chat, preview the popup live, edit the code in a built-in editor, and download a store-ready package for Chrome, Firefox, Edge, Safari or Brave. Projects are private by default and you keep the source.

Building an extension normally means learning the manifest format, permissions, service workers and each browser's packaging rules before an idea can even be tested. That is a real barrier for people who have a clear idea but no developer to build it. Extinde removes that boilerplate, offers a dozen or more starter templates, and lets non-developers reach a working extension without writing code by hand, while developers can still open the files and change them.

Extinde also includes a marketplace where creators can publish extensions and set their own prices, and where others can browse and buy. It is used by individual developers, indie makers, product designers and agencies. It is a poor fit if you need a highly custom native extension, because generated code is a starting point that you should review and test before publishing to a browser store.

Features

AI generation from plain English

Describe the extension and the AI produces the manifest, scripts, popup and icons. There are three model tiers, Fast, Standard and Pro, so you can choose between speed and capability depending on how complex the extension is.

Chat refinement and live preview

Once a first version exists, you refine it by conversation and see the popup rendered live. Viewport testing at several sizes helps you check the interface before you export anything to a browser.

Built-in code editor

A Monaco editor, the same engine used in VS Code, gives you access to the full file structure, including manifest.json, HTML, CSS, JavaScript, service workers and content scripts, for any manual changes you want to make.

Starter templates

More than a dozen templates cover common needs, including productivity, developer tools, privacy and security, and social workflows. Each can be customised, so you can start from something close to your idea instead of a blank project.

Cross-browser export

Export a store-ready package for Chrome, Firefox, Edge, Safari or Brave with one click. Manifest V3 compliance is applied by default, and browser-specific icons are generated in the required sizes.

Marketplace for selling extensions

Publish an extension to the Extinde marketplace and control the price. The site states that creators keep 85% of sales. Buyers can browse and purchase extensions built by the community.

How it works

Sign up for free

Create an account without a credit card. The free plan includes 25 credits, which the site describes as roughly three generations, enough to try the builder on a real idea.

Describe your extension

Explain in plain English what the extension should do, or start from a template. The AI generates the complete project, including the manifest, scripts, popup and icons.

Review, preview and refine

Check the live popup preview, ask for changes in chat, and edit the code directly in the built-in editor. Your project stays private unless you choose to publish it.

Download and publish

Download the package for your chosen browser and submit it to the relevant store, or list it on the Extinde marketplace and set a price for other people to buy.

Who it is for

Individual developers who want to skip manifest boilerplate and start from working code.

Indie makers who have a browser extension idea but limited time or technical background.

Product designers who want to test an extension concept as a real, installable prototype.

Agencies building browser extensions for clients who want templates and cross-browser export.

Pricing

Free plan with 25 credits and no card required. Paid plans listed on the site: Starter at $9.99 a month (250 credits), Builder at $19.99 a month (1,000 credits) and Pro at $49.99 a month (3,000 credits), plus top-up packs from $4.99 to $34.99. Check extinde.com/pricing for current prices.

Frequently asked questions

Is Extinde free to use?

There is a free plan with 25 credits and no card required, which the site describes as about three generations. Paid monthly plans and top-up credit packs are available, and current prices are listed at extinde.com/pricing.

Which browsers can I build extensions for?

Extinde exports packages for Chrome, Firefox, Edge, Safari and Brave, and generates Manifest V3 extensions by default. You still submit the downloaded package to each browser's store yourself, following that store's review process.

Do I need to know how to code?

No. You describe the extension in plain English and refine it through chat. If you do want to change the code, the built-in editor gives you access to every file, so developers can work alongside the AI.

Do I own the extension I build?

Extinde states that projects are private by default with full source ownership, and extensions download as real bundles rather than staying locked inside the platform. You should still review the generated code before publishing it.