Add interactive cost and ROI calculators to your website, blog, or landing page with a single script tag. Free forever, no signup required.
Both widgets support these data attributes on the script tag:
data-theme="light" or data-theme="dark" — Match your site's color scheme (defaults to dark).data-target="your-div-id" — Render into a custom container instead of the default ID.Example with a light theme and custom target:
Increase engagement, dwell time, and conversions on your website.
No signup, no API keys, no usage limits. Just add the script tag and it works. We will never charge for these widgets or gate them behind a paywall.
Interactive tools keep visitors on your page 3x longer than static content. Give your blog posts and landing pages a competitive edge.
Each widget is under 15KB with zero dependencies. No jQuery, no React, no external CSS. They load instantly and never slow down your page.
All CSS is scoped with unique prefixes. No conflicts with your existing styles. Works on any site regardless of framework or template.
Works everywhere. Here are step-by-step instructions for common platforms.
Custom HTML block</> to show HTMLEmbed component to your pageCode block to your pageuseEffect or via next/scriptYes. The widgets are completely free to use on any website. There are no usage limits, no tracking pixels, and no hidden fees. The only thing we ask is that you keep the "Powered by MVPLab" link in the footer.
No. Each widget is a single JavaScript file under 15KB with no external dependencies. It loads asynchronously and renders instantly. There is no impact on your Core Web Vitals or page speed score.
Both widgets support data-theme="light" and data-theme="dark" to match your site's color scheme. All CSS is scoped with unique class prefixes, so it will never conflict with your existing styles.
Absolutely. Agencies, freelancers, and consultants are welcome to embed these widgets on client sites. They work great on proposal pages, blog posts about development costs, and AI consulting landing pages.
Our free website calculator widget covers all project types: landing pages, web apps, mobile apps, cross-platform apps, and SaaS platforms. It includes feature selection, design complexity, and gives visitors a live cost range estimate — all inside a compact, embeddable widget.
Yes. The embeddable cost calculator above is designed to fit inside agency portfolios, tech blogs, and freelancer websites. It helps your visitors understand development costs before they contact you, resulting in more qualified leads.
Let your visitors subscribe to the AI for Business newsletter. Embed it on your blog, sidebar, or resource page:
<div id="mvplab-newsletter"></div>
<script src="https://mvplab.ai/embed/newsletter-widget.js"></script>Options: data-theme="light|dark", data-color="#e87840"