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Fiverr Pro
English
$
USD
I will build a custom interactive calculator or web widget
Rudra Pratap
About this gig
Are you looking for a custom web calculator or interactive widget to capture leads and engage visitors on your landing page?
I build fast, responsive, and highly accurate custom web calculators and interactive forms using clean HTML, CSS, and Vanilla JavaScript. Whether you need a Real Estate ROI Estimator, a Fitness & Macro Calculator, or a custom Pricing Quote tool, I can deliver it quickly without bloating your website with heavy plugins.
What you will get:
A fully functional custom calculator based on your specific math formulas.
Clean, responsive design that works perfectly on desktop and mobile.
UI styling matched to your brand colors.
Well-documented HTML/CSS/JS code that is easy to embed into any platform (WordPress, Shopify, Webflow, custom sites).
Why choose this service?
I write pure, lightweight code. No clunky third-party iframes, no monthly subscription fees for calculator pluginsjust clean code that you own forever.
Please message me before placing an order so we can discuss the specific formulas and variables your calculator requires!
Get to know Rudra Pratap
Rudra Pratap
FrontEnd Widget Developer
- FromIndia
- Member sinceOct 2026
Languages
English, Hindi
I am a specialized front-end developer focused on building fast, responsive, and highly interactive web tools. I build custom ROI calculators, pricing estimators, lead-generation widgets, and single-page dashboards using clean HTML, CSS, and vanilla JavaScript. If you need a lightweight, functional tool to capture leads or engage users on your landing page without bloating your site, I can deliver clean, well-documented code quickly and efficiently."
FAQ
Will this slow down my website?
No. I use pure HTML, CSS, and Vanilla JavaScript without heavy external libraries. The code is extremely lightweight and optimized for speed.
How do I add this to my website?
I will provide the clean source code files. You or your developer can simply copy and paste the HTML/JS into your site's code block or custom HTML widget area.
