B12 is an AI website builder for creating websites, stores, and web apps from an idea, with a free launch option.

B12 preview

What B12 does

B12 is an AI website builder that helps people create a website, store, or web app from a simple idea. The homepage says users can describe what they want, then launch in minutes, which points to a fast, prompt-led workflow instead of a fully manual build process.

The product page presents B12 as a tool for building a professional web presence and growing a business online. Examples on the homepage include an executive coaching website, an expense tracking app, an online jewelry store, a lifestyle blog, an architecture portfolio, and an invoice generator, showing that the builder is meant for both service businesses and more functional web projects.

Core features

AI-generated site and app creation

B12’s homepage says it can generate a website, store, or web app from a described idea. The examples shown include an executive coaching website, expense tracking app, online jewelry store, lifestyle blog, architecture portfolio, invoice generator, and a website with animations.

Project preview and remixing

The page invites users to preview or remix AI-generated projects, including an interior design studio website, an expense tracking web app, an online jewelry store, a dark cinematic website, and a subscription box website.

Rapid starting workflow

The product positions itself as a way to launch in minutes, which indicates a fast start from prompt or concept rather than a fully manual build process.

Website builder with a free launch option

B12 describes itself as an AI website builder and says it helps users launch for free, indicating a web-based creation tool with a free entry point.

Business-oriented website publishing

The homepage copy frames the product around growing a business online, suggesting the builder is intended for public-facing business sites as well as other web projects.

Common ways to use B12

  • Service business websites

    A consultant or coach can start from a simple service-business idea and use B12 to generate a public website quickly, based on the homepage’s executive coaching example.

  • Small ecommerce sites

    A seller can use the builder to create an online store, as shown by the online jewelry store example on the homepage.

  • Simple web apps and tools

    A solo operator or internal team can build a lightweight functional web app, such as the expense tracking app and invoice generator examples shown on the homepage.

  • Portfolios and content sites

    A designer or creative professional can use the AI-generated site examples to sketch a visual portfolio, including the architecture portfolio and lifestyle blog examples listed on the homepage.

  • Inspiration-driven starting point

    A user who wants inspiration before committing can browse the previewable AI-generated projects and remix an existing concept instead of starting from scratch.

Pros and Cons

Pros

  • Can generate multiple project types, including websites, stores, and web apps.
  • Shows concrete example projects that help users understand the range of outputs.
  • Supports a preview-or-remix flow for AI-generated projects.
  • Positions launch as a quick process from a short idea or description.
  • Mentions a free launch option on the homepage.

Cons

  • The collected sources do not include accessible pricing details, because the pricing page returned a 404.
  • The available pages show examples and prompts, but they do not provide deep documentation of editing controls, integrations, or deployment options.

FAQ

What can B12 generate?

The homepage presents B12 as an AI website builder that can generate a website, store, or web app from a prompt or idea. The rendered page does not provide step-by-step setup details, but it does indicate that you can preview or remix AI-generated projects.

Who is B12 for?

The available page text suggests B12 is aimed at people who want to launch a professional web presence quickly, including websites, online stores, and web apps. It does not spell out a specific audience segment beyond those example project types.

How does the workflow appear to work?

The homepage emphasizes starting from an idea and launching in minutes, then previewing or remixing AI-generated projects. No detailed editor workflow is shown in the collected sources, so only that high-level flow can be confirmed.

Does B12 show pricing on the site?

The collected sources do not include working pricing information. The pricing URL returned a 404, so plan names, trial terms, and monthly or annual pricing are not confirmed here.

Quick Facts

Category
AI website builder
Platform
Web
Primary use
Create websites, stores, and web apps
Source domain
b12.io
Launch
Free launch mentioned on homepage
Pricing page
Returned 404 in collected sources